Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6b2a23afbccdd20…

MALICIOUS

PDF

104.4 KB Authoring application: PDFBox
MD5: c74a12483d8a6df4351c6f38421bf7ce SHA-1: 0328731794f7db25e15d8cac6da378841694128e SHA-256: c6b2a23afbccdd2017e2213d9f24136225ea5e41d0643ed52850876272e80f9c
140 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO spam campaign. Additionally, the SE_CALLBACK_LURE heuristic indicates a callback phishing or tech-support scam pretext. The ClamAV detection further confirms its malicious nature, classifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are the primary IOCs for this threat.

Heuristics 4

  • 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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://ballerweekly.com/uploads/1/3/0/6/130621926/bazomaxu_najon.pdf
    • http://www.from-the-secret-place.com/uploads/1/3/0/5/130588246/9972705.pdf
    • http://www.hctdedicated.com/uploads/1/3/0/6/130603715/e3377f14c.pdf
    • http://chelerosbar.com/uploads/1/3/0/3/130323328/7817950.pdf
    • http://schiaster.com/uploads/1/3/0/9/130969478/demigamarib.pdf
    • http://haiyi-americaniahotel.devsite-1.com/uploads/1/3/0/6/130605396/9736889.pdf
    • http://quantumsatprep.com/uploads/1/3/0/6/130603749/c8622a1.pdf
    • http://www.irkvalley.com/uploads/1/3/0/8/130874292/48eea9720.pdf
    • http://mta-sts.mail.willowlodgegundogs.com/uploads/1/3/0/4/130436513/jerezumutiz.pdf
    • http://crxo.com/uploads/1/3/0/6/130604631/8725105.pdf
    • http://relicwinecellars.com/uploads/1/3/0/2/130289519/guwiki_nesiposugure.pdf
    • http://www.traccedarte.com/uploads/1/3/0/5/130588810/bowapabumanodimivodi.pdf
    • http://kidneyrecipes.net/uploads/1/3/0/5/130551192/jisijaginet.pdf
    • http://obsessivelyorganized.com/uploads/1/3/0/3/130323968/buviv.pdf
    • http://pearl-girlz.com/uploads/1/3/0/8/130814666/bf3b1a4ba88.pdf
    • http://vetstack.org/uploads/1/3/0/6/130639624/lifugawul.pdf
    • http://theatrestudentunion.com/uploads/1/3/0/6/130639565/dumumas_rukarejag_dolugij.pdf
    • http://www.saffrondemenezes.com/uploads/1/3/0/5/130588845/8190257.pdf
    • http://sookeyhairextensions.com/uploads/1/3/0/7/130776787/tubefeloru-bulafefabulowi-remivuvarazat.pdf
    • http://diocesanconvention2018.org/uploads/1/3/0/7/130775002/49c83aad42.pdf
    • http://gabriellehasamearphotography.com/uploads/1/3/0/4/130436049/5ed55cf.pdf
    • http://metaldoc.com/uploads/1/3/0/5/130545884/7be4a27d03f1.pdf
    • http://moss-wedding.rominastiebenphotography.com/uploads/1/3/0/3/130323984/130323984.html#best+antibiotics+to+treat+bartholin+cyst

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001778.bin
529640238f904cf55a03c1a566e843eb6849279c616be31e104e2fdacb8945bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1778 9308 bytes

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