Malicious PDF — malware analysis report

Static analysis result for SHA-256 3be2367c9a147a4f…

MALICIOUS

PDF

88.0 KB Created: 2020-09-02 08:47:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 77c68e61373f9a83292462a276df1410 SHA-1: b3e0313d653ad403bc518e36828762ebef4ec0cf SHA-256: 3be2367c9a147a4f98986818be1fed779e3ca6f283500d7e05a10d51c2d1fe9a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/pify?keyword=chloroform+water+miscibility'. This URL is likely the primary mechanism for delivering a malicious payload or leading the user to a phishing page. The document also contains a large number of embedded links, many of which point to benign Shopify URLs, suggesting a link farm or SEO poisoning tactic. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.club/pify?keyword=chloroform+water+miscibility In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4541/9165/files/49761316618.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7685/1614/files/liquide_amniotique.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6967/6451/files/reproduction_in_chlamydomonas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1471/6572/files/nys_mandated_reporter_phone_number.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1250/5243/files/place_value_worksheets_hundreds_tens_and_ones.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/d54300_eef4490565ba4b32a53ced91876666ac.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/6e3131_e2c102f5924f4e1ba80c63728957a36d.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/6846fe_12fcbb1d69bd43c0b5e7fd8b857a554b.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/7e6083_41c84c0cfe784e5484995978aef9b359.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/7e6083_940a4f1b8b344fd9b3250bdb085d5f6a.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6690/8054/files/kafinanetixoxesux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3153/5524/files/motodukarifamubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0459/6763/8695/files/61299019160.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1054/7099/files/funowagutozod.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/df4650_a62b3bd65973468ebd19982d399b9607.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/e78b77_41f27ed6777e4e3a81a5ef490ab88e40.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_9025036dbb73489ea427cea1acc51b50.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_eae511e1d280401e82e865bf8488f0b6.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/accd1f_03a3a5b2468142749737e0fc1484e63a.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fcf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCF0 6492 bytes
SHA-256: e372b72275a5be51254aef29237819e264f8666627f7fcebc053501b44a96939
font_01_sfnt_off00010d24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D24 5360 bytes
SHA-256: 63911deb8b66277d2db827e69feb87780ca77fe2daf116a42a3eb60888f9d5a4
font_02_sfnt_off00011f43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F43 16340 bytes
SHA-256: 4e89617015932d0298c5f09913978d1d8664a1f1cd299e9af50ba3085631eb7e