Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d6acee5a50f1bcb…

MALICIOUS

PDF

36.8 KB Authoring application: Serif PagePlus
MD5: 8b4d4c72cb3253737ebffc1470561029 SHA-1: 6c4d4d54849c2f1b5d38760515d87a3f0c798750 SHA-256: 0d6acee5a50f1bcb1262e4ae6032bcc874497ae3a6d9e58d5b0928e28573103d
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, identified as a PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting an attempt to manipulate search engine results or distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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://thecompassionateasskicker.net/uploads/1/3/0/6/130639438/zuvaxuf.pdf
    • http://stgeorgestucco.com/uploads/1/3/0/2/130287313/xekojegusosiligixat.pdf
    • http://adcscripting.online/uploads/1/3/0/6/130605339/pedima-konexe.pdf
    • http://mx.mealsonwheelsap.org/uploads/1/3/0/2/130288731/salibutazevejuvo.pdf
    • http://recommended-buys.com/uploads/1/3/0/5/130589279/zaxebinoloba-ruzuk-xoturur-tesuvixatiku.pdf
    • http://media.shopphoenixprime.com/uploads/1/3/0/9/130969814/dac3ddaef4.pdf
    • http://sentosa.amarahotels-zh.devsite-1.com/uploads/1/3/0/9/130969800/bodekus_ziseki_fagakipejad.pdf
    • http://annimuhlegg.com/uploads/1/3/0/7/130775961/6417644.pdf
    • http://millerfamilylawn.com/uploads/1/3/0/5/130550713/kejegofemunuda-vovibema-lojowesitigujox-maxev.pdf
    • http://ns1.ccbelfast.org/uploads/1/3/0/2/130270832/wukubogevisa_gejijuketuju.pdf
    • http://catholicpraise.com/uploads/1/3/0/2/130288540/reputifomafup-wozesutisu-tozunis-xenasasa.pdf
    • http://www.amazepropertiesofmi.com/uploads/1/3/0/6/130620767/zatefivosixakof.pdf
    • http://schmittsanimalhospital.net/uploads/1/3/0/6/130604276/0369cf7b20.pdf
    • http://arowedesignsshop.com/uploads/1/3/0/6/130620274/103ca0.pdf
    • http://mighty.africa/uploads/1/3/0/8/130813413/1413922fb0c.pdf
    • http://changingseasonsgourmet.com/uploads/1/3/0/5/130551708/nivego-bujigajowamujed-kunilej.pdf
    • http://jaiku.net/uploads/1/3/0/6/130639530/3606903.pdf
    • http://natashasjewellery.com.au/uploads/1/3/1/0/131070866/ef81d035ae.pdf
    • http://git.innostaa.com/uploads/1/3/0/8/130814675/5349312.pdf
    • http://directroofrestoration.com/uploads/1/3/0/2/130270953/130270953.html#how+do+i+combine+3+pdf+files+into+1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003172.bin
3f858b6b5606a9a9519b4ba8a5f0a53a5c1e789cac4285c4b3db7a8bb03e1c85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3172 7652 bytes

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