Malicious PDF — malware analysis report

Static analysis result for SHA-256 c680691cf0ea170a…

MALICIOUS

PDF

50.6 KB Created: 2020-12-18 03:44:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: b2f395f5da016fbd3a985cb32d9ee4bc SHA-1: 66a182b42afb72811185a70d4cebe74a88f29350 SHA-256: c680691cf0ea170a62d7e7f132f73af0813790d16b55febe745e5bac4e1dc420
192 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically identified as a free-download phishing lure. The ML classifier and ClamAV detection further support its malicious nature. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7181

Heuristics 4

  • 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.
  • 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://ggtraff.ru/aws?utm_term=abcd+tamil+movie++moviesda In PDF document text
    • https://cdn-cms.f-static.net/uploads/4371004/normal_5f9476c065ab2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425511/normal_5fa0619e62a1f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383131/normal_5f8de9c063180.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc524ccc30a162e0c6e112f/t/5fc69dedf8cdb769c6cc21ec/1606852078731/79033956552.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc517815687f52b6b9c42e9/t/5fd649a0df2f0204c232f919/1607879081513/descendants_3_full_movie_eng_sub.pdfIn PDF document text
    • https://s3.amazonaws.com/bivanud/micca_mb42x-c_center-channel_speaker.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5c774116eb00e3c6d76f8/t/5fc771da1d689b68bf9ca2ef/1606906333656/mujojobi.pdfIn PDF document text
    • https://s3.amazonaws.com/tobaziw/characteristics_of_information_ppt.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcef7464be903ae63ef890/1606217588778/97754547440.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf67a83c6ccf69f356a578/1606379433760/lil_boosie_daughter_age.pdfIn PDF document text
    • https://s3.amazonaws.com/lijopavexanuse/canada_citizenship_photo_guide.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc16c3d6b97992eb55fb768/t/5fc2c0804f983757203a3947/1606598785425/51049035182.pdfIn PDF document text
    • https://s3.amazonaws.com/xirixepo/cansancio_cronico.pdfIn PDF document text

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