Malicious PDF — malware analysis report

Static analysis result for SHA-256 d07516b56a15f3a8…

MALICIOUS

PDF

73.4 KB Created: 2020-11-24 02:47:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-06
MD5: 5df5c530d633ac7276081c292aad8acb SHA-1: dd07b4df4bcfe1c3cd24e26e4594082e76d88a2a SHA-256: d07516b56a15f3a84548abbd863d09a31a0a2d793ab076791169a5491b458815
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://gettraff.ru/wb?keyword=buzzed%20drinking%20game%20cards%20pdf In PDF document text
    • https://s3.amazonaws.com/mefadedosuw/emson_pressure_smoker_recipes.pdfIn PDF document text
    • https://talapilodegopez.weebly.com/uploads/1/3/0/9/130969507/girunifodok-mudanufavi-gemepirul-dexitatojedoxu.pdfIn PDF document text
    • https://s3.amazonaws.com/bugutaj/fusuv.pdfIn PDF document text
    • https://s3.amazonaws.com/gafedupeba/zugumoxabebonalefenox.pdfIn PDF document text
    • https://nitetezelimon.weebly.com/uploads/1/3/1/4/131438651/gedeseridavi-bukegopiloluk-fezod-lixaxun.pdfIn PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/flowers_for_algernon_progress_report_11_summary.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000e365.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000e365.bin)
    • https://uploads.strikinglycdn.com/files/37d957f5-855c-4a27-b317-5d96d57c7634/84842805172.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c075d12a-a14d-472f-a905-df1e64a947e2/jeluralobevigegogalaj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ac79a7b5-1403-403e-b539-73e93b4542aa/78853390331.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/17708fd1-dfe6-4f0d-acd9-fa1e0d60fb11/5233143536.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18089754-e952-4dc5-8d5a-9f0547a29d31/winchester_1897_trench_gun_stock.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d040ed7f-6d89-4c3d-a6a2-a1234f2f0e1a/4655439669.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 extracted file (font_00_sfnt_off0000e365.bin)

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_off0000e365.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE365 5604 bytes
SHA-256: 648e7554af2498337b9b689fcc9a7a741799dabced7424186be6ef3b2fd81d85
font_01_sfnt_off0000f681.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF681 10152 bytes
SHA-256: 0cfeab18fffca9a7bcaadc45a74b7f9d5c33b9392e81c80c16cba9b3a1aa6a28

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