Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f1fd2ce430ff88b…

MALICIOUS

PDF

39.7 KB Created: 2020-08-05 06:41:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 124392110614cc915385a44d7bf17d41 SHA-1: 3e4e55a79b5dffaf12408b0a2809b4a820864735 SHA-256: 1f1fd2ce430ff88b0f19d038692a9f462592511523d916477d7feed076699e6c
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, designed to appear as a legitimate document. The primary malicious link, https://ttraff.cc/pify?keyword=auma+actuator+wiring+diagram+pdf, is a known redirector to malicious infrastructure. The ML classifier strongly indicated maliciousness, and the PDF structure itself is suspicious due to a high number of external links.

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.cc/pify?keyword=auma+actuator+wiring+diagram+pdf In PDF document text
    • http://files.livinmybliss.com/uploads/1/3/2/6/132683135/b7b3e3d.pdfIn PDF document text
    • http://files.encounterweightloss.com/uploads/1/3/0/7/130775462/zemijapex_wijofu_jejubilu.pdfIn PDF document text
    • http://files.agconfoodsafety.com/uploads/1/3/1/3/131398377/8906183.pdfIn PDF document text
    • http://files.vaughantractor.com/uploads/1/3/1/4/131453124/fe426e2bbb5347c.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/1/0432/8731/4590/files/topop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3760/5544/files/62698258748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5734/7746/files/17927845072.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37357510366.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65069223210.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4260/9051/files/13029309330.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53567737566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/82545560257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6913/6280/files/discrete_mathematics_epp.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7433/8472/files/8488196208.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3786/7687/files/8692340512.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 8

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_off00005dfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DFC 5344 bytes
SHA-256: f506b5720b0b8de93e4bf528da3001456ebfef9c9f448eb99120a4706ca87bf5
font_01_sfnt_off00007027.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7027 9824 bytes
SHA-256: 40d73f755647a3a6f4c86b96fb113e1a915fb2d5d48943a28566498090c9cb3b

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