Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ae9ce71601d361c…

MALICIOUS

PDF

47.2 KB Created: 2020-08-10 14:10:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a9c60f6dae76444a9914603dc5520226 SHA-1: e792ab55bd468f6f6a9366573a43e2832d29e918 SHA-256: 1ae9ce71601d361c4e7f50631e595c4b23c88e5080101c43cf41e3b7a8e9dd30
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is presented within the document body, disguised as a link to a 'balance sheet analysis ratios pdf'. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to distribute the malicious URL. The ML classifier also strongly flagged this PDF as malicious.

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=balance+sheet+analysis+ratios+pdf In PDF document text
    • http://files.tribalnationsmaps.com/uploads/1/3/1/1/131164476/8451578.pdfIn PDF document text
    • http://files.permastoneinc.com/uploads/1/3/2/6/132681827/5105379.pdfIn PDF document text
    • http://samakexi.kiddirama.com/uploads/1/3/0/8/130813528/gufukelowizos.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/1/0432/7201/1931/files/18934146660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0043/0746/files/31259379498.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7644/3543/files/occupational_health_hazards_among_healthcare_workers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6049/4485/files/dinisamidoju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2773/2379/files/wugegukesalo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5203/9328/files/73317852660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1285/6731/files/84533021127.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8904/3362/files/37155731333.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8607/8369/files/11725405483.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8547/1656/files/tepiwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3136/3747/files/vonokepajenorule.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 1

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_off000074f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74F8 5396 bytes
SHA-256: 97d20159ae3d56508d4916670f65b7e7f049b1290b5209a9738a07e2f8d90e34
font_01_sfnt_off00008741.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8741 12384 bytes
SHA-256: c9c09d275104b76a1cfbbdfe019880185c6f20478edb7e20973c4d0d4d312232

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