Malicious PDF — malware analysis report

Static analysis result for SHA-256 7da4eee6f760e5f6…

MALICIOUS

PDF

42.1 KB Created: 2020-08-25 22:09:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 74364956ae0f2572df2271fe83fe4c99 SHA-1: 63f3822f1c06de173af5359a6ed6312ba86860a1 SHA-256: 7da4eee6f760e5f613cb5c7c696571fa86ab54d79769290c1c96c3bc391abe3e
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.me) which is flagged as malicious. The document body and heuristics suggest a link farm or phishing lure, likely intended to lead users to malicious content or malware downloads. While no scripts were explicitly extracted, the nature of the redirector and link farm indicates a malicious intent to compromise 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.me/pify?keyword=royal+collision+tucson In PDF document text
    • http://files.countyclassdestroyersassociation.org/uploads/1/3/2/7/132712661/cb0e0be9.pdfIn PDF document text
    • http://files.metatalkcafe.com/uploads/1/3/1/4/131454586/woxifu-tebufepuf-gobetuwo-vudapi.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/1/0432/1977/9742/files/80653269156.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3601/6802/files/53686856422.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9353/2573/files/56931422452.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9144/3364/files/45445294062.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9947/2550/files/minecraft_usernames_and_password_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0427/8422/files/faremigosemobibutirefe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6306/6270/files/kesepevemu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/0201/4357/files/jizeseroz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8379/2533/files/84499908567.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3472/1959/files/pugojedenegaroriwob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4509/3533/files/35333955240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/2379/4077/files/ali_ali_akshay_kumar_song_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4606/7621/files/96353902788.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8132/5980/files/mufusogupejap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0926/1220/files/cemu_botw_download.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 5

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_off00006592.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6592 4804 bytes
SHA-256: 435484fc9c8836b3b3b217f5b478cc7e82bc2e2a6cb17b514859dce61e2fe415
font_01_sfnt_off00007603.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7603 11024 bytes
SHA-256: 64957332fb51bb808c9bdad25ae2419c62edcc3693e8e5f8d8e1c65a070d8ebb

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