Malicious PDF — malware analysis report

Static analysis result for SHA-256 87c01cdd36d2965f…

MALICIOUS

PDF

72.4 KB Created: 2020-08-03 05:03:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e05d09cb4fc1d7a7deaef8db109c5d31 SHA-1: d5e796e7ff9108bee9325328a6bb82f35f749db6 SHA-256: 87c01cdd36d2965f96518348c8536f8f34aca0a84ce846dc21f49f31363d808d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains numerous links, many of which point to a redirector service (ttraff.com) known for malicious activity. The document body, though obfuscated, contains a reference to the same redirector URL, suggesting it's the primary lure. The presence of a large number of PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the ultimate destination and potentially spread malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9949

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=lenny+face+middle+finger In PDF document text
    • http://files.toddpellandphotography.com/uploads/1/3/0/9/130969548/115791.pdfIn PDF document text
    • http://files.quapawcattlecompanystore.com/uploads/1/3/1/0/131070572/6730608.pdfIn PDF document text
    • http://files.sarastipsypies.com/uploads/1/3/0/7/130740521/zodisejafurobamuxe.pdfIn PDF document text
    • http://files.mscalbanyga.com/uploads/1/3/1/1/131163684/c9d06e6a30f2e.pdfIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.thdl.org/http://www.thdl.org/TibetanIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3038/8642/files/42749752154.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97697777452.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7920/5013/files/jabagewilinawasajewebat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7211/7141/files/93862359589.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9712/1178/files/general_chemistry_mcquarrie_4th_edition_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/29878061118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0008/5149/files/440842969.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4509/3533/files/livesusuboloviwofew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65545430121.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5013/9801/files/vekanimamojexepimetine.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlTibetanIn PDF document text
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 11

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off00007fd5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x7FD5 1788 bytes
SHA-256: 3cda33e86397f8defed18490b5f25de88393a219c9c5bc6c765397dcf1a5fda0
stream_009_off0000c083.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xC083 19568 bytes
SHA-256: 6562ddcd20bb60c4fd57acb397c39ee48b9e4ba6bf065a8de3becea35f4002d6
font_00_sfnt_off00004dd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DD2 4524 bytes
SHA-256: 70734fee2a96355d4eccf666cbf4f79656d47f3740347b677d2fb26c936436c9
font_01_sfnt_off00005deb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DEB 4804 bytes
SHA-256: 901e0b88e1e8882d902f132a974215a7ad684c49955482903f275b5750def446
font_02_sfnt_off00006e28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E28 8904 bytes
SHA-256: 90f5ced83addfbc5c39873d5da9b876fc788cbae8de3ea08fc1499e3c9e92ce6
font_04_sfnt_off000088f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88F5 5756 bytes
SHA-256: bb075a3111a5b70f8158e38c43f552d65d4eb4aa024be95d46b795282407b9e1
font_05_sfnt_off00009760.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9760 11800 bytes
SHA-256: ff7c688095d07c36ef0793c15386b6cc6e09d4dfb19fa18183d74864a9c83113
font_07_sfnt_off0000e140.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE140 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c
font_08_sfnt_off0000ef40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF40 2376 bytes
SHA-256: a8c63f0e61ff85604de28fef8e3e47385d9d983aeb94ca31418bccf4c46212f3
font_09_sfnt_off0000f8df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8DF 6092 bytes
SHA-256: 17bd6aa876b24718b3a3b86dbc75f09cd009f311a05a65e89133ab522f71e96f
font_10_sfnt_off00010801.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10801 1868 bytes
SHA-256: e2a7519d56ec97ee7cf3f08ecd02e7a31c6afce16374ca05e5dc62a52fbb875a

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