Malicious PDF — malware analysis report

Static analysis result for SHA-256 00810fa3944de375…

MALICIOUS

PDF

88.6 KB Created: 2020-12-31 02:18:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 4d49b3d95e8945b97a93437e3b49cccd SHA-1: 093720af37bab992a04a26a8ea247a050012d9bd SHA-256: 00810fa3944de375f41cf2b748cac8d1e5d3ad95365def5594a77cac0eaee33a
194 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains embedded links pointing to known malicious redirector infrastructure, specifically `https://gettraff.ru/123?utm_term=unfair+platformer+unblocked`. Heuristics indicate this is a phishing lure, and ML classification strongly supports its malicious nature. While no scripts were explicitly extracted, the PDF structure and malicious links suggest it's designed to redirect users to a malicious site, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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.
  • 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/123?utm_term=unfair+platformer+unblocked In PDF document text
    • https://cdn.sqhk.co/vuxesojogugu/agjsigd/ritagusodebe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372963/normal_5f8e8ee7aaa6c.pdfIn PDF document text
    • https://cdn.sqhk.co/wuvidomanale/gCsiiLL/80108678991.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417988/normal_5fd205bfb9a18.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420431/normal_5fcb47e9774d0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392210/normal_5fba887182a88.pdfIn PDF document text
    • https://cdn.sqhk.co/mawejoxejobe/cUibLhe/23050319947.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jinotugiwomo/vbspu_examination_form_last_date_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/jagux/beaks_of_finches_lab_review_sheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/tunenijexe/aankhen_2002_movie_video_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/bajuse/55570178474.pdfIn PDF document text
    • https://s3.amazonaws.com/tanapilamaxi/selipuvomotegufogonujejuk.pdfIn PDF document text
    • https://s3.amazonaws.com/xalexojaxipud/gawalodarupas.pdfIn PDF document text
    • https://s3.amazonaws.com/jakujakula/66904294349.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000120af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x120AF 5320 bytes
SHA-256: 6663364c5d57f203542644a3c8582fb5e2a4bb19d600264492e2910af1757369
font_01_sfnt_off000132b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x132B0 10316 bytes
SHA-256: 2b1678d44b1f83b35f596b1e92403f7ea212875084eca0c79550505eddd07f1a

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