Malicious PDF — malware analysis report

Static analysis result for SHA-256 edd0824f47063442…

MALICIOUS

PDF

66.6 KB Created: 2021-01-06 07:02:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: f7e5f636bfb267dce19448d5aeecbccd SHA-1: 34807b6bee20b31fb2f20e90c63653a2fa20eb32 SHA-256: edd0824f47063442955d49a5763f22f1a6b53b87bd0d3709e9fc498354b24a10
212 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various platforms. The primary link redirects to a URL associated with malicious activity, and the document body mentions 'Instagram giveaway templates', suggesting a phishing or social engineering lure. The presence of numerous external links indicates a link farm or redirection strategy to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7834

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.
  • 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.
  • 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://cctraff.ru/aws?utm_term=instagram+giveaway+templates In PDF document text
    • https://sumigixutaruxaj.weebly.com/uploads/1/3/4/7/134748626/2101685.pdfIn PDF document text
    • https://cdn.sqhk.co/duwewofowus/ighii5x/zuzafebavoruvuzuverot.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4497658/normal_5fdc2bb29759b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369316/normal_5f87b2de3a057.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375702/normal_5f941ca71cf01.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495686/normal_5fec13f83f5e6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420767/normal_5ff1d8d307c23.pdfIn PDF document text
    • https://gajitiromivalot.weebly.com/uploads/1/3/4/4/134475956/morenatamojo-fagojiketumakub-gafado-pobewitig.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460946/normal_5fdb7a73c093a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF31 5332 bytes
SHA-256: 6883ca1179548357a1526449bdcb93119c648435f68adcbcdd1afe71dd76ecc9

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