Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e2249aa3508e91e…

MALICIOUS

PDF

73.4 KB Created: 2020-07-29 13:20:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f19d00291ad5aa17a6253fa1f34d3c4b SHA-1: 3a7b09e8bf976e4a4fdcdf8be38eda739213d895 SHA-256: 6e2249aa3508e91ef0dc4a5393b4bc9231c2b8e9576857281373400e5d57dc9e
194 Risk Score

Malware Insights

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

The PDF contains numerous links designed to appear as legitimate tutorial documents, but they redirect to a malicious infrastructure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate that the document is part of a link farm designed to phish users. While no scripts were explicitly extracted, the nature of the PDF and its embedded links suggests an attempt to redirect users to malicious content, likely for further exploitation.

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.ru/pify?keyword=shell+script+tutorial+point+pdf In PDF document text
    • http://files.singingtreemidwifery.com/uploads/1/3/1/4/131407818/1902655.pdfIn PDF document text
    • http://files.rakhmaloveandharmony.org/uploads/1/3/2/7/132740435/3962776.pdfIn PDF document text
    • http://files.exitrealtyeastpm.com/uploads/1/3/2/8/132815365/a91155.pdfIn PDF document text
    • http://files.northwestpetroleum.com/uploads/1/3/1/4/131453034/2688355.pdfIn PDF document text
    • http://files.stylisharms.com/uploads/1/3/1/4/131406563/2611550.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/1/0434/8159/6066/files/xarokalibiguxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0767/9387/files/watulizewepanukigoga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1110/5191/files/32797770367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/vupoxowizejazenamiderod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2596/4949/files/retonevulukipirivil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5551/2738/files/batagejexozubuzegolefuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8277/6725/files/22857391575.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zikoraj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53446206952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32823332632.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7447/7473/files/72024553416.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6500/7509/files/24127775528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4410/8453/files/demesenawuboxanodo.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_off0000e009.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE009 5228 bytes
SHA-256: 9d3057da8a337c3ebdab8d63d4cdc0875d8c9344505a829d9f0df381ebaca637
font_01_sfnt_off0000f1c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1C0 11744 bytes
SHA-256: 47bb27566730e5a3cebdc8febf6c113f4ce4ee6660beb0aed999b4b3b4de9c13

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