Malicious PDF — malware analysis report

Static analysis result for SHA-256 02c0b9e2d5124fd1…

MALICIOUS

PDF

41.9 KB Created: 2020-08-23 17:06:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: af3f3eece1eed40ff1b5d0032a48570b SHA-1: f8919e78ce459cb58fe56f29f579ee159c96c324 SHA-256: 02c0b9e2d5124fd19e15444b47dba01d239333a4a1cb254d12be0faeca3110cd
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service that ultimately leads to malicious content, as indicated by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' heuristics. The document body text, though garbled, includes the phrase 'Beard cut guide' and the malicious URL, suggesting a social engineering lure. The ML classifier 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=beard+cut+guide In PDF document text
    • http://files.pietowndesigns.com/uploads/1/3/1/4/131453541/3126721.pdfIn PDF document text
    • http://files.theexoticanimalencounter.co.uk/uploads/1/3/2/7/132712139/wolimixofu_mexelap_girapitavatogu.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/1/0437/4842/5889/files/turitex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6955/4344/files/pezobowurijigejegu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0301/9427/files/insomnia_movie_480p.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7753/3856/files/60801337734.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3429/4937/files/bossa_nova_guitar_lesson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0179/1132/files/nutrition_du_sport_formation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7510/9018/files/88917986581.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/70425587890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5238/3904/files/sobisuso.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 3

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_off0000671c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x671C 4944 bytes
SHA-256: 88c059a9a43c2d44b2a357e878c26e39e923bcd4754446bc0f6b3ee96a25cc08
font_01_sfnt_off000077f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77F4 10388 bytes
SHA-256: b0b627dc009ca927c8e4125d44f94658e4321f1bf4460f0f1027e316823cba68

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