Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e9b1eca3eb5b4c6…

MALICIOUS

PDF

41.7 KB Authoring application: PDFedit
MD5: ac5eac5945dfcf7c5eb78e12a1b3c3b7 SHA-1: c308d921a151ad32fe9cd4a107d7e5ca5145d7ce SHA-256: 3e9b1eca3eb5b4c634823d46b6c2858c92e5349abaacbc68f0b6d490353f3189
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, identified as a PDF_SEO_LINK_FARM heuristic. This suggests the document's primary purpose is to redirect users to other sites, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly support its malicious nature. 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://arlencollisioncenter.com/uploads/1/3/0/5/130588616/kuribozifuvu.pdf
    • http://youcanownbaltimore.com/uploads/1/3/0/4/130483457/pasijexak.pdf
    • http://macimootreats.com/uploads/1/3/0/6/130639546/zarosude.pdf
    • http://confessionsofthehornychristian.com/uploads/1/3/0/7/130739775/wigufa.pdf
    • http://bestlimoservicelosangeles.net/uploads/1/3/0/6/130603942/ragikojesuwifo.pdf
    • http://miriamterron-elder.com/uploads/1/3/0/6/130639233/9273582.pdf
    • http://lacertiliadragons.com/uploads/1/3/0/8/130874308/tanokoxakopunofipaku.pdf
    • http://buythef-ckingdip.com/uploads/1/3/0/4/130489572/bupizexoriburew-kawadupa-xubusapag.pdf
    • http://clausphynxkitten.com/uploads/1/3/0/2/130288431/89ad79e0ab462be.pdf
    • http://fightchronicle.com/uploads/1/3/0/5/130544447/jivozipujimetizo.pdf
    • http://barkingwithbutler.com/uploads/1/3/0/2/130287934/satis-xaxusefanano-jadukidi.pdf
    • http://www.redeyebaseball.com/uploads/1/3/0/4/130490774/sogilufasubosiniku.pdf
    • http://1017bud.com/uploads/1/3/0/2/130270743/3481753.pdf
    • http://cradleinferno.com/uploads/1/3/0/2/130274151/566131.pdf
    • http://360killer.com/uploads/1/3/0/6/130639904/fe3096938a0138f.pdf
    • http://ktburke.com/uploads/1/3/0/6/130621488/jiwadaxa-xevusaligub.pdf
    • http://pinksticker.com/uploads/1/3/0/6/130604441/nefujukavetubu.pdf
    • http://kramerlawfirm.net/uploads/1/3/0/6/130621020/3690960.pdf
    • http://healthcare.rtfmanufacturing.com/uploads/1/3/0/2/130288939/130288939.html#nba+mock+draft+2019+rounds+1+and+2

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004385.bin
37dff897ec2c28b0b13dbcba5041f8ed37c34dcd9de3c98096f59d4c21a4c4e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4385 8664 bytes

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