Malicious PDF — malware analysis report

Static analysis result for SHA-256 42336401a7c32d98…

MALICIOUS

PDF

35.2 KB Created: 2020-08-09 14:52:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bd7e24dc37115a3796ab8336e84f48b8 SHA-1: f5d7995fe4c5df9cc794c4d1eb4f917449e9ba63 SHA-256: 42336401a7c32d9803f58b8aa8d1d91b446f9881b8ee3d6af3e4b36fe86a6ec6
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Standard bank loan application form pdf' and includes the malicious URL. This suggests a phishing or scam attempt to redirect users to malicious sites.

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=standard+bank+loan+application+form+pdf In PDF document text
    • http://jutajev.aperfectprescription.com/uploads/1/3/0/7/130739379/7182152.pdfIn PDF document text
    • http://files.smilesbyrane.com/uploads/1/3/1/6/131606256/ripekofolosuz.pdfIn PDF document text
    • http://gagafon.liquidlightbodyworks.com/uploads/1/3/1/3/131398020/gimem.pdfIn PDF document text
    • http://files.roejendradesigns.com/uploads/1/3/1/4/131409037/a8a5d2ba.pdfIn PDF document text
    • http://files.rec-writer.com/uploads/1/3/1/0/131069934/zubapiw.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/1/0431/0827/0244/files/nozaxavumebilowisiro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3070/8385/files/jikewilijawejezofixuvebak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7215/1959/files/marianne_faithfull_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4092/3048/files/programmatically_annotate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9691/4586/files/66112679973.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5857/7046/files/90718854371.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/6848/4758/files/libro_numerologia_tantrica_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8488/9758/files/migikuruvudesosifumet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7170/8065/files/learn_python_programming_the_no_nonsense.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3164/9689/files/24369051138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0485/2386/files/ubuntu_install_java.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3983/4780/files/mosugedimilaturad.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_off00004cbd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CBD 5432 bytes
SHA-256: 7279cb74f49f1017d289800c0e6adee0325d8319f20bbc657b49531831540f86
font_01_sfnt_off00005f21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F21 9564 bytes
SHA-256: c6a58d020c23462a78b4f599be94d76dd67fbf18b385c790ddc2c055047242d5

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