Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc828321d02d12e0…

MALICIOUS

PDF

38.6 KB Created: 2020-09-11 10:32:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 972af545e1c3e391d6e8b70b6fe7f91a SHA-1: d0f1dc3980e819eb3404e3bfe543bc49820f9a8f SHA-256: bc828321d02d12e0c9d0a48f9899b1a7db8de552d8164a44c2c55aa7080d0eda
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains references to URLs that appear to be part of a link farm designed to distribute content. The primary malicious URL is https://ttraff.club/pify?keyword=heresy+meme+template, which likely serves as a gateway to further malicious content. The presence of numerous links and the ML classification strongly indicate a malicious intent to redirect users.

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=heresy+meme+template In PDF document text
    • http://dajajaw.thegriffithgalleryonline.com/uploads/1/3/2/3/132302984/bifojemapo.pdfIn PDF document text
    • http://files.herbalist-thehealingearth.com/uploads/1/3/0/8/130874683/5982634.pdfIn PDF document text
    • http://xeradogus.adentausa.com/uploads/1/3/1/4/131437595/4fc2d90.pdfIn 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/1/0434/0360/8231/files/startup_cost_for_a_food_truck_business.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8026/9477/files/fiwisixawowugusutonox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8938/6901/files/27823398846.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7922/8837/files/kokigafetofusorax.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_ceefa6617de046cab9af5e0a9b652215.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/6cf0f5_313b29a1486448799bd7fa8feaac309a.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/e73fea_e66c71c5e3af4705826c5b90f1d9f064.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/30ea26_35e06a4742b24a428d114e5fbd748a61.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/5a1791_d13c22283b724e76a04bd216b864719b.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/76156b_28850c24ed2740a58a57299d908b5236.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_3d4187b9a0dc4ddfaf08550547ff3873.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/ebbcbd_18f8c3f81cba47c3a348ba8830cc0e2f.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

Related samples 3

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005813.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5813 5028 bytes
SHA-256: 97fa0a2a3822ee2ae5171f38e61532b5b534f8fc9037456499240010a798cffc
font_01_sfnt_off00006918.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6918 10744 bytes
SHA-256: cd826748d32147c488fc423b5b8dd006f4a5bf26776278ca99c1dc4de180db64

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