Malicious PDF — malware analysis report

Static analysis result for SHA-256 d26c89ea9e562efa…

MALICIOUS

PDF

37.7 KB Created: 2020-08-14 21:23:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 450c117d1402fa3b4766c79701bd5d56 SHA-1: de8e35349ddb25f3ebb6e8ec084f1cd18bb2830a SHA-256: d26c89ea9e562efa9aefcda562b296fdbc88140a1eeed05aff34b07b15ef5459
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a link to a known malicious redirector, ttraff.cc, which is disguised as a download for an 'autotrader usa apk'. The document also functions as a link farm, pointing to numerous other PDF files hosted on Shopify. This suggests a campaign focused on SEO poisoning and redirecting users to malicious sites. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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.cc/pify?keyword=autotrader+usa+apk In PDF document text
    • http://files.lunimoondesign.com/uploads/1/3/1/4/131483254/c060b5683865a3.pdfIn PDF document text
    • http://sowodatuw.bryanallankrauss.com/uploads/1/3/1/3/131379591/dipedim.pdfIn PDF document text
    • http://gopunuwiv.naramatachildcare.com/uploads/1/3/2/8/132814930/6174374.pdfIn PDF document text
    • http://files.lonestarrxassistance.com/uploads/1/3/0/8/130813373/af700c96057.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/1/0432/8616/7702/files/98494883321.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8688/9625/files/rimugovireju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8049/6792/files/58277627933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6749/7880/files/jonenibuposikide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7952/3751/files/62406381762.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7383/6958/files/xobepujoxutiviso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9163/9968/files/pekagamuduwatamuwotegadu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/taridulozomoxekolakinuku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9289/2053/files/34325293710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0708/0610/files/49527558426.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 4

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_off000053aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53AA 4976 bytes
SHA-256: e0f40a9a9cccdf0a678ae648ccdcfc99d1df7fdb11e28393ec74b212ef6f79ce
font_01_sfnt_off000064a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64A6 10912 bytes
SHA-256: e5661e7a9488092b5ddebd7629224d6235f5304ee7ee97a1ab4962dca3779132

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