Malicious PDF — malware analysis report

Static analysis result for SHA-256 0de865d80dd49564…

MALICIOUS

PDF

55.3 KB Created: 2020-08-09 21:17:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4f1095b357ddbc623b996e963191004c SHA-1: e1f8d24e762278121bcb3d9718a715bf05e76b17 SHA-256: 0de865d80dd495643b7802df25abea57dce7174fe1167494c3d1dd32cbc6acd4
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to a redirector infrastructure identified as malicious. The document body, though partially corrupted, includes a URL that matches the malicious redirector, suggesting a phishing or scam attempt. The presence of a large number of external PDF links, many of which are benign, indicates a potential link farm designed to obscure the malicious destination.

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=apresurar+la+obra+de+salvacion+7.+4+pdf In PDF document text
    • http://files.gannonjwattscounseling.com/uploads/1/3/2/6/132682022/7f8b22ff5febf43.pdfIn PDF document text
    • http://files.krishnadelapaz.com/uploads/1/3/0/7/130739860/39cb75.pdfIn PDF document text
    • http://files.mukewatercreative.com/uploads/1/3/1/4/131410158/c9d5fabd451e2a1.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/1/0439/9320/2846/files/acetone_butanol_production.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4444/6118/files/wejosojilowukawerolok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1123/3176/files/47579001139.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/norojakibi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/15138334831.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8994/3975/files/tuxusubusofudos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5430/1338/files/vicks_filter_free_cool_mist_humidifier_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2175/2731/files/boland_college_application_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0219/9196/files/psychology_facts_about_love.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0047/9391/files/piano_classical_songs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3071/5288/files/pafirivuwajewoximiruwuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6334/4294/files/manifest_your_magnificence_affirmation_cards.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 5

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_off000089b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89B5 5536 bytes
SHA-256: 80db3a10e524a6a2cd74b978dd792ddb15665a2d1dfa242e8b5abb98e9180be1
font_01_sfnt_off00009ca8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CA8 16804 bytes
SHA-256: 9e6f3a4207a6cacc91488299fd261a427d26833f822ba708319d1778ba5d6e1b

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