Malicious PDF — malware analysis report

Static analysis result for SHA-256 738cff207cf5cc2a…

MALICIOUS

PDF

141.7 KB Authoring application: Adobe PDF Library 9.0
MD5: 61b03b1173e8b540231ed6be6dd174ee SHA-1: 223331f2ee38d4958681561cf52cdaf09ef7101b SHA-256: 738cff207cf5cc2ad7d04b2c6d3b8f278ffb32e37214e89da15cb0c4df88725e
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, suggesting it is part of a link farm designed to distribute malicious content. The 'SE_CALLBACK_LURE' heuristic indicates the document's content is intended to trick users into calling a phone number, a common tactic in callback phishing and tech-support scams. While no scripts were explicitly extracted, the presence of numerous embedded URLs and the heuristic firings strongly suggest a malicious intent to redirect users to potentially harmful sites or engage them in fraudulent phone calls.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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 http://www.petesenoffphotographics.com/uploads/1/3/0/7/130739492/jepexemazugofa.pdf
    • http://northernillinoispainting.com/uploads/1/3/0/5/130543240/d6f4073c257.pdf
    • http://tbc.group/uploads/1/3/0/5/130539114/d6764ae1fb4d3.pdf
    • http://mcculleycuppan5xp.mcculley-cuppan.com/uploads/1/3/0/3/130323774/kanete.pdf
    • http://www.barnetselfstorage.net/uploads/1/3/0/7/130739777/fuduj.pdf
    • http://intrinsiclifesciences.us/uploads/1/3/0/6/130621666/4541090.pdf
    • http://jakeencinas.com/uploads/1/3/0/3/130323884/zozenuxonerutuv.pdf
    • http://myriuwedding.com/uploads/1/3/0/5/130588875/3625915.pdf
    • http://m1houses.com/uploads/1/3/0/7/130775982/7760f07bb0a.pdf
    • http://goode.org.nz/uploads/1/3/0/9/130969170/sowunawagorif.pdf
    • http://daviscrossfield.com/uploads/1/3/0/8/130814631/xoxaw.pdf
    • http://trespoderes.net/uploads/1/3/0/7/130776493/lokegiwizulupovil.pdf
    • http://melatonindreams.com/uploads/1/3/0/4/130489776/gexon-waxutuvesawil.pdf
    • http://truvisioncolombia.com/uploads/1/3/0/8/130874642/ginasunimudigerux.pdf
    • http://odinsolutionsintl.net/uploads/1/3/0/5/130538939/beturotinusata.pdf
    • http://saasenablement.com/uploads/1/3/0/5/130544091/269028.pdf
    • http://advokat-moscow24.site/uploads/1/3/0/7/130776514/8670730.pdf
    • http://armydarkshadows.net/uploads/1/3/0/3/130323896/bomux.pdf
    • http://hostmaster.kaitlynschatch.com/uploads/1/3/0/2/130273803/1296558397d.pdf
    • http://weepingneko.com/uploads/1/3/0/7/130775271/wukex.pdf
    • http://jasonis40.com/uploads/1/3/0/4/130488975/5512851.pdf
    • http://southernfrontrange.com/uploads/1/3/0/5/130546000/3903008.pdf
    • http://barnwoodbilliards.com/uploads/1/3/0/3/130323552/3069434.pdf
    • http://loly-salon.com/uploads/1/3/0/7/130776334/fazesisuduzon.pdf
    • http://northchannelnetwork.org/uploads/1/3/0/2/130289158/2958552.pdf
    • http://a1624150xstreamtravel.xsideas.com/uploads/1/3/0/7/130739871/130739871.html#latest+aha+guidelines+for+antibiotic+prophylaxis

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000018e2.bin
0e02ea4d19e9a5b86c7619b5c4ae9cc7061bced77a72c7ddbc966eca298e8ed9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18E2 8968 bytes

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