Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfe53be1d1479bc7…

MALICIOUS

PDF

37.3 KB Authoring application: Soda PDF
MD5: e54e57e0532fcaddcf3b9bb996779266 SHA-1: 9a7cd80b17ed256fc7c9c7e556f62151b5548a3e SHA-256: bfe53be1d1479bc78489ff0003e8248c2f38a33213fa83fe4065a5bc711d75e4
152 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical finding for a PDF link farm and ClamAV detection as Pdf.Phishing.TtraffRobotInstall. The embedded URLs, predominantly hosted on `zpermits.com` and similar domains, suggest a phishing or malware distribution campaign. No scripts were extracted from this sample, but the extensive link farm indicates a high likelihood of redirecting users to malicious content.

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://zpermits.com/uploads/1/3/0/3/130379718/lufetosebutet-xulozeruxamir.pdf
    • http://floorexpertslimited.co.uk/uploads/1/3/0/7/130775822/1483a4fa9.pdf
    • http://montglass.com/uploads/1/3/0/5/130545173/345696.pdf
    • http://471633614246918175.com/uploads/1/3/0/2/130270808/a6e024b8a.pdf
    • http://hendlinfamily.com/uploads/1/3/0/6/130604405/zugelipu-mapogexusor.pdf
    • http://srilankanprivatedriver.com/uploads/1/3/0/3/130313358/jejoluligokojexobob.pdf
    • http://www.privatdagpleje-rynkeby.dk/uploads/1/3/0/5/130542907/rudobo.pdf
    • http://mymosaicalphabetbook.com/uploads/1/3/0/7/130738534/mimeb_madamur_zewakunutukigiw_zapopevapavopo.pdf
    • http://bondingfamilies.com/uploads/1/3/0/8/130815013/dififalizofefak-bunak-revewariluzi.pdf
    • http://rochialvarez.com/uploads/1/3/0/5/130547527/241d28f58b88de.pdf
    • http://watertownhighschoolchoirs.com/uploads/1/3/0/7/130775742/tezowaxezala.pdf
    • http://myprovidenceconstruction.com/uploads/1/3/0/5/130542982/1cd9191.pdf
    • http://trixiekitty.com/uploads/1/3/0/6/130605351/konilifesifevevove.pdf
    • http://www.appwebs.info/uploads/1/3/0/5/130539227/9e5b457811f98c.pdf
    • http://naa6l.salon225.com/uploads/1/3/0/4/130483187/130483187.html#matlab+low+pass+filter+fft
    • http://mymosaicalphabetbook.com/uploads/1/3/0/7/130738534

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000367d.bin
88f94db9aa77fc51351699ce9b9326ce30d98bb067bcc4f8177e7c94fc7c2be0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x367D 8452 bytes

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