Malicious PDF — malware analysis report

Static analysis result for SHA-256 7aa0acd6edb12e7d…

MALICIOUS

PDF

32.9 KB Created: 2020-08-09 15:30:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6a74e3b4fb3ef2778ae6944cafc80d7e SHA-1: 54859514590c09b1a0d090cacab7198ea3aa2f7a SHA-256: 7aa0acd6edb12e7d8768f4d83ada5828e8f76948cab51f28afd46592075faac4
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one pointing to a known malicious redirector infrastructure at 'ttraff.com'. This redirector is likely used to obscure the final malicious destination, which is part of a link farm strategy to improve search engine ranking for malicious content. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=ordinal+numbers+dates+exercises+pdf' and other Shopify links, suggesting a phishing or scam attempt.

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.com/pify?keyword=ordinal+numbers+dates+exercises+pdf In PDF document text
    • http://files.ameliaeventrentals.com/uploads/1/3/2/8/132814097/3cb424b4e2f.pdfIn PDF document text
    • http://nowev.lilyandlous.com/uploads/1/3/1/1/131164250/8ff8c97.pdfIn PDF document text
    • http://files.mval.org/uploads/1/3/0/9/130969322/sejumero.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/1/0431/9582/6336/files/rubamomifuzopagazopupe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3534/4539/files/14663479118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9756/3037/files/mutupotipubojubixo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5901/9933/files/zobep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8514/3969/files/rejotobelib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7387/2807/files/sasimiga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4664/1570/files/89887413883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5834/0774/files/gogam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0851/3432/files/89564116083.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5716/8027/files/50716644471.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_off00004344.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4344 5536 bytes
SHA-256: 7b7b9673aad81fa387a36813c4785c7cb35d8e975282f0edb87ee19d21a34471
font_01_sfnt_off000055f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55F9 9748 bytes
SHA-256: 683467276a46da39d342239c5f238764f5a1854ce690e7ab79878fcfd796fdb3

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