Malicious PDF — malware analysis report

Static analysis result for SHA-256 e06ef842864319b6…

MALICIOUS

PDF

36.3 KB Authoring application: QPDF
MD5: de5363668be7489b2efb5f5524ecc521 SHA-1: 2a54d5194c6a55870b4ccfc039e28896ea946861 SHA-256: e06ef842864319b6d2166c5845c1c9150779d6d571212cc51e46115940f10e13
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a link farm and a high ML score, indicating malicious intent. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this. The document contains numerous embedded URLs pointing to other PDF files, suggesting a phishing or SEO manipulation scheme. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://vigilanttool.com/uploads/1/3/0/3/130323789/6020838.pdf
    • http://sabrepartners.com/uploads/1/3/0/3/130313027/1f9d8.pdf
    • http://harrywhophotoblog.com/uploads/1/3/0/5/130539054/2466260.pdf
    • http://dragonflyphotographyceramics.com/uploads/1/3/0/4/130489763/lobapagumideluxojili.pdf
    • http://yourwellnessbranch.com/uploads/1/3/0/5/130589095/f819adae4898.pdf
    • http://thetapbox.com/uploads/1/3/0/5/130589205/2686189.pdf
    • http://www.bioconnectmontreal.com/uploads/1/3/0/5/130546497/9285102.pdf
    • http://prestige-overseas.in/uploads/1/3/0/5/130590541/sopewenobuxunanujon.pdf
    • http://soulfulexcursions.com/uploads/1/3/0/2/130272247/97c405.pdf
    • http://maveriqs.co/uploads/1/3/0/8/130874289/gekaririmen.pdf
    • http://mitacoponchos.com/uploads/1/3/0/3/130313433/e5aa1e.pdf
    • http://virginiedelaby.com/uploads/1/3/0/5/130590545/8353972.pdf
    • http://microml.com/uploads/1/3/0/5/130545421/xineralosogagasijuj.pdf
    • http://pixelbootcamp.net/uploads/1/3/0/5/130590384/6c74384.pdf
    • http://www.provokindness.org/uploads/1/3/0/5/130551589/rimuvafivenuz.pdf
    • http://mountain-plumbing.com/uploads/1/3/0/4/130483520/5212759.pdf
    • http://koshercorner.org/uploads/1/3/0/6/130621352/5190251.pdf
    • http://1504magaz.space/uploads/1/3/0/7/130738554/norazorinipos_merirut.pdf
    • http://qualitycoveragehospitality.com/uploads/1/3/0/5/130540869/5494332.pdf
    • http://docbwell.com/uploads/1/3/0/7/130739233/5353574.pdf
    • http://greenaviation.net/uploads/1/3/0/2/130271126/jusidolujuxam.pdf
    • http://commanetwork.net/uploads/1/3/0/6/130639027/risomosomomel-medadopu-simowap-ruwano.pdf
    • http://www.cousinsgarden.com/uploads/1/3/0/5/130589260/130589260.html#bohemian+rhapsody+guitar+solo+violin+sheet+music
    • http://1504magaz.space/upl

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b93.bin
fe8376f840d7c23a551beb7d392cc32d15412a17239544326e97dbf11e4d09f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B93 8256 bytes

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