Malicious PDF — malware analysis report

Static analysis result for SHA-256 70be0a376bf37ccb…

MALICIOUS

PDF

57.5 KB Created: 2020-08-24 11:40:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 998862dd222be46ce0df54e1df65b888 SHA-1: 0c42c65e8639edd553fa250dd6788bcda70bd647 SHA-256: 70be0a376bf37ccb47c37fc0609cb088384e98cdbbb0305efc43045d69b5b81d
194 Risk Score

Malware Insights

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

The PDF contains embedded links pointing to a known malicious redirector, ttraff.com, which is designed to lure users to malicious sites. The document body, though heavily obfuscated, contains the same redirector URL, suggesting its primary purpose is to facilitate this redirection. The presence of numerous external PDF links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute the malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=que+es+filiforme+en+medicina In PDF document text
    • http://lazonefe.milagrodesignsantafe.com/uploads/1/3/1/6/131637419/5497978.pdfIn PDF document text
    • http://tiguluju.nextbillionventures.com/uploads/1/3/1/3/131384609/4740784.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1792/7837/files/6952897311.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/6468/0605/files/colour_coated_roofing_sheet_making_machine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9382/6463/files/stihl_ms_180_service_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0975/9641/files/nfl_teams_by_division.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7986/8320/files/54399238765.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6238/6079/files/college_algebra_6th_edition_dugopolski.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5851/1522/files/wojunebuwogo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9981/4040/files/solving_limits_algebraically.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6377/9240/files/72695924976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1758/4283/files/likitezomokitaxuk.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://scripts.sil.org/OFLIn PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 6

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

Full JSON: related samples API

Extracted artifacts 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000052ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52AD 4112 bytes
SHA-256: 837a753b31e2b303fb8c72b2f77d35f7ba810539609295bc72659f7cf4b63312
font_01_sfnt_off00006141.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6141 5228 bytes
SHA-256: edcf6183e7ec9f8e14e4336584e62b1b10af9e7f08f3c449dbeee2d7634e5ae2
font_02_sfnt_off000072e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72E8 3268 bytes
SHA-256: f8c094d218658d6af2ba17160e610d63b48a61de6bd1ea908990cb6d7d0f7067
font_03_sfnt_off00007fd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FD7 4324 bytes
SHA-256: bd4339aea9959f3c70ba8899fb212cb039ffa7f560965ef023b5fcec785d1441
font_04_sfnt_off00008db2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB2 10640 bytes
SHA-256: 9f33bd4706ec21f7b87b93821e56f80a22a1acae1e018471756632441f7f724a
font_05_sfnt_off0000b0ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB0AE 16708 bytes
SHA-256: 5b95ffb3556d01d2af66370249ec60dd07590b88951194da29ec47f8e7ca5ac7
font_06_sfnt_off0000c82a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC82A 3500 bytes
SHA-256: af342db91665a4d826d9a3534a1ccd25063582d6700c2382c71bdce8c0cbe1cb

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