Malicious PDF — malware analysis report

Static analysis result for SHA-256 e03c69941b7dbe59…

MALICIOUS

PDF

54.0 KB Authoring application: Solid Converter PDF
MD5: 0a9852a70904e79463f525cf8c5157d6 SHA-1: ec5fc253a86cea117dd2ed41e85c8bb8406f92aa SHA-256: e03c69941b7dbe59594af58e06ec71e14ba5d99752dcd78bd59e36a0152ed637
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique commonly used for phishing or distributing further malware. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, though heavily corrupted, contains references to the URLs, reinforcing their role in the attack. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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
  • 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://vagascuritiba.net/uploads/1/3/0/6/130604028/55d7730.pdf
    • http://hostmaster.karandave.co.uk/uploads/1/3/0/2/130273623/gobidamepudalifow.pdf
    • http://thayhung.com/uploads/1/3/0/8/130874162/8196360.pdf
    • http://www.happyplaceinnewport.com/uploads/1/3/0/4/130477663/webepubu.pdf
    • http://integrityconsults.org/uploads/1/3/0/6/130620947/wuwobunoselax_jatemuzovilex_pamadejur_fodumebopo.pdf
    • http://itero3dlab.com/uploads/1/3/0/7/130775544/vizexepadipiru.pdf
    • http://smithshomedevelopment.com/uploads/1/3/0/5/130551033/disopaw.pdf
    • http://lifeisforlivingshow.com/uploads/1/3/0/5/130588294/01aa03.pdf
    • http://din-park.com/uploads/1/3/0/4/130435654/efabb.pdf
    • http://poppintaggz.org/uploads/1/3/0/6/130620443/b6213f20b13bd.pdf
    • http://myeclecticyoga.com/uploads/1/3/0/5/130588668/4663e192d1c22d1.pdf
    • http://mountainmotoadventures.com/uploads/1/3/0/5/130538997/6421299.pdf
    • http://fendernews.com/uploads/1/3/0/6/130604034/pojawaku.pdf
    • http://playerathleteprofile.com/uploads/1/3/0/6/130603858/1186683.pdf
    • http://www.rubicomemoracoes.com.br/uploads/1/3/0/7/130775429/memesojavozado.pdf
    • http://bandonautismparentsupport.com/uploads/1/3/0/4/130436136/7486841.pdf
    • http://hostmaster.pykniker.ch/uploads/1/3/0/8/130813511/9088091.pdf
    • http://medhealthplus.org/uploads/1/3/0/5/130588596/0b2a5e13.pdf
    • http://aliicorner.com/uploads/1/3/0/5/130551237/rorovivagiwoves.pdf
    • http://jkphotomn.com/uploads/1/3/0/2/130272848/jevisaxipiridakef.pdf
    • http://thesanluisvalley.com/uploads/1/3/0/6/130605501/693f611.pdf
    • http://14dayreset.com/uploads/1/3/0/4/130478602/5e2acc15ec629e.pdf
    • http://wcd-d68elmwx.mgh-r.ch/uploads/1/3/0/8/130814457/130814457.html#justify+that+hinduism+theravada+buddhism+and+mahayana+buddhism+as+vedic+religion

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011cb.bin
96030388ad3d88571712835cc4eaf84906a64591b8b30c23269aea217b74b04c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11CB 8320 bytes

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