Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca0dfbe10344d10a…

MALICIOUS

PDF

37.7 KB Authoring application: Solid Converter PDF
MD5: 23208ded29e93bb91f85096348874a2e SHA-1: 56a5f0a566f9eff440d0b1b7226440cdf9d0ff37 SHA-256: ca0dfbe10344d10a9f5f4555ab0d11027b142ddd4ffb79a4c3f6dc9b577ececb
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links to other PDF files hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or redirection mechanism designed to distribute malicious content. The ML classifier and ClamAV detection further support its malicious nature. The document body text, though partially corrupted, contains medical terms, potentially as a lure.

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://treymoore.net/uploads/1/3/0/6/130639613/4a1af6aaa819.pdf
    • http://nsanegriplegendcarscom.com/uploads/1/3/0/8/130814967/fepufugipujaf_birokowip_wojarepuvol_fotagux.pdf
    • http://lemonews.com/uploads/1/3/0/6/130620813/zalenabilalofotiberu.pdf
    • http://thetrainingground.org/uploads/1/3/0/5/130541950/6635422.pdf
    • http://novel-furniture.in/uploads/1/3/0/7/130739156/5099dfd2.pdf
    • http://fourcatscreative.com/uploads/1/3/0/2/130274370/3320b605fc2.pdf
    • http://www.smokymtnblackbears.com/uploads/1/3/0/6/130639896/2235984.pdf
    • http://patlakescc.net.au/uploads/1/3/0/2/130288802/duwemo.pdf
    • http://www.dogsandhumanslifestories.com/uploads/1/3/0/5/130547969/soliron.pdf
    • http://modern-nonprofit.com/uploads/1/3/0/4/130488969/8595568.pdf
    • http://thaddeusnhizfamily.com/uploads/1/3/0/6/130603811/db29234c7.pdf
    • http://agedcarecertiii.com.au/uploads/1/3/0/7/130776221/8161725.pdf
    • http://lgbtqcounselingstlouis.com/uploads/1/3/0/9/130969404/0bd3ea55c2a.pdf
    • http://dmicreativemanagement.com/uploads/1/3/0/3/130324207/ritezeli.pdf
    • http://nootra.life/uploads/1/3/0/7/130775907/3a5b2697cff.pdf
    • http://victimswanted.com/uploads/1/3/0/8/130874079/d83d3e.pdf
    • http://strayashop.com/uploads/1/3/0/3/130323900/2661195.pdf
    • http://tree-s-cape.co.za/uploads/1/3/0/7/130738707/4c31b8243a.pdf
    • http://realestatecanopy.com/uploads/1/3/0/5/130590700/bewilugadu.pdf
    • http://coastalaquaticsva.com/uploads/1/3/0/5/130590588/4516679.pdf
    • http://marythemidwife.net/uploads/1/3/0/4/130478648/kegokor.pdf
    • http://sunshineindenture.com/uploads/1/3/0/8/130874150/zowinis-zesevuw-faparugoru-tegedajarujad.pdf
    • http://lloydhoffman.net/uploads/1/3/0/6/130621383/3722097.pdf
    • http://www.sarahgillprojectmanagement.com/uploads/1/3/0/4/130494801/130494801.html#untreated+cirrhosis+and+ascites
    • http://dmicreativemanagement.com/upl

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031ee.bin
b347a301c5151477c5ffb74efb0a4a4abbb1264be9abd4971220d9b5125601fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31EE 7568 bytes

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