Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2b98fd1f0a496c0…

MALICIOUS

PDF

59.4 KB Created: 2020-08-06 19:56:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ae86b712faa234b83924acbad8e9455d SHA-1: 1061a08772a8d425380e3f467d53cc95855d5cce SHA-256: f2b98fd1f0a496c016cf1d75af416786dede600ac7da92a5de3b10567faa02c6
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that is disguised as a utility for converting PDF to Word documents. This link, 'https://ttraff.cc/pify?keyword=pdf+to+word+document+adobe', is designed to lead users to malicious infrastructure. The PDF also hosts a large number of external links, many pointing to Shopify domains, likely as part of a link farm to improve search engine ranking for malicious content.

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=pdf+to+word+document+adobe In PDF document text
    • http://kamevuda.flowyogaclasses.com/uploads/1/3/0/7/130739826/643ae45.pdfIn PDF document text
    • http://files.talentlessandoptimistic.co.uk/uploads/1/3/1/6/131606798/7990cea99.pdfIn PDF document text
    • http://files.ucfrugby.org/uploads/1/3/0/7/130776205/91542e4685ce4f.pdfIn PDF document text
    • http://files.elkhornvalleyhrc.com/uploads/1/3/0/7/130775466/f328c8.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/1/0429/9427/0371/files/99142459089.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/motoliwetisebitenusiluva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0070/9791/files/28097131571.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5812/files/nokojagok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0215/0557/files/rezunevizefudebexojeboj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2331/7662/files/7960839631.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9515/5105/files/jamugifomobaxin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3269/9292/files/xavozijep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3414/7989/files/vojilavesibapufuwudogi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5797/8273/files/49340413104.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8889/6415/files/apex_learning_answers_world_history_semester_2.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_off0000ab5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB5A 5192 bytes
SHA-256: 23fde820ddc1b4b25c0f37548e0f47da844491f1d175e9680c5e4a7eb23c4bf1
font_01_sfnt_off0000bcfd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBCFD 10376 bytes
SHA-256: 6db2924469b58937b7c0f1e2cbe6b95b515ea8b318e57628dd728bc5eda51ccc

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