Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d808b44b1a160e3…

MALICIOUS

PDF

29.8 KB Authoring application: Soda PDF
MD5: e87c0f6057cdd175c664cd1191f49c9a SHA-1: fc9a098aa7a17431cfe1febe5a0cda0043b4295d SHA-256: 2d808b44b1a160e3c472f040562eaaa2ba5c77a5de2114a32c67a6b282b30133
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF is identified as a phishing lure due to its image-only nature and embedded action trigger. It contains a large number of external links, forming a link farm, with the primary URL pointing to another PDF. This suggests a multi-stage redirection or content delivery mechanism designed to obscure the ultimate malicious destination. The ClamAV detection and ML classifier further support its malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 29 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://figga.com/uploads/1/3/0/6/130604935/gobizetarevo.pdf
    • http://diankaesthetikstudio.com/uploads/1/3/0/7/130775413/e685dd44bf.pdf
    • http://annearundelhandcenter.com/uploads/1/3/0/5/130550812/8250020.pdf
    • http://www.mirrorspainthorses.canyonranchsporthorses.com/uploads/1/3/0/3/130379101/kanopokedulajov.pdf
    • http://callaneventplanner.com/uploads/1/3/0/4/130489020/rodotilu.pdf
    • http://alainkouo.com/uploads/1/3/0/8/130873839/e788483404.pdf
    • http://www.goldsealel.com/uploads/1/3/0/3/130379293/abdc91b.pdf
    • http://better-building.com/uploads/1/3/0/4/130483940/malagipejeku.pdf
    • http://studiosing.com/uploads/1/3/0/5/130544751/wexirogexal-dizofe-gavumiz.pdf
    • http://permianrealestateinvestor.com/uploads/1/3/0/6/130621720/6675872.pdf
    • http://empowerforimpact.com/uploads/1/3/0/4/130435654/vunar.pdf
    • http://cpconcertsociety.com/uploads/1/3/0/5/130550912/9018379.pdf
    • http://austinfenn.com/uploads/1/3/0/4/130489926/e5aa89bcc0a98.pdf
    • http://mochapter7.com/uploads/1/3/0/4/130476054/gojalu.pdf
    • http://www.actualizemth.com/uploads/1/3/0/4/130490378/7658319.pdf
    • http://cissoise.com/uploads/1/3/0/2/130270811/6329302.pdf
    • http://nicegiant.com/uploads/1/3/0/7/130738548/xifovuf_nebudufoduv.pdf
    • http://theamazingtruth.com/uploads/1/3/0/6/130640031/f57fc.pdf
    • http://alihassanpk.com/uploads/1/3/0/7/130775832/melugopiwarus.pdf
    • http://onlinejobsthatpaywell.com/uploads/1/3/0/8/130813948/0d1f3c2c65ffb56.pdf
    • http://anjaliseries.com/uploads/1/3/0/5/130551182/1fbe29dd5e5.pdf
    • http://www.sandrockstorage.com/uploads/1/3/0/8/130814601/moler_judijixajobapu_xisolimebadi_vivuwotiver.pdf
    • http://www.benjaminsmithfineart.com/uploads/1/3/0/8/130873838/fepameze-ziwobisom-fepuji.pdf
    • http://soulgemstones.com/uploads/1/3/0/6/130640097/xeguj_gazugonikosam_sogovoval_gubipi.pdf
    • http://abcdts.store/uploads/1/3/0/8/130813988/fdd3bcc2c.pdf
    • http://adsl-63-204-18-58.benefitplans.org/uploads/1/3/0/2/130289722/130289722.html#cambridge+igcse+biology+specimen+paper+2020
    • http://onlinejobsthatpaywell.com/uploads/1/3/0/8/13081

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001847.bin
8b263a551880d456312ad9641500afc8c38635afd3e93e1f1f489caad72106f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1847 4860 bytes

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