Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bbb23ea4ffe077e…

MALICIOUS

PDF

44.1 KB Authoring application: LibreOffice Draw
MD5: aa65dd2572ce1dcfadd8dc7c4bdb383f SHA-1: aa81870a18bdb3884c09c13d52b49e59e1849066 SHA-256: 8bbb23ea4ffe077e9660f8fab9c82b138d0b60510b853405a8fcdb1970ad458f
150 Risk Score

Malware Insights

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

The PDF document was flagged by multiple heuristics, including a critical finding for a large number of external PDF links, suggesting a link farm. ClamAV also identified it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs likely lead to further malicious content or phishing pages. 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://clucktruckportland.com/uploads/1/3/0/8/130873786/7583550.pdf
    • http://assric.org/uploads/1/3/0/7/130775797/ee5744ddd7acd81.pdf
    • http://nihao.limited/uploads/1/3/0/6/130622025/5066895.pdf
    • http://msgland.com/uploads/1/3/0/5/130551518/tagun.pdf
    • http://portgraal.com/uploads/1/3/0/5/130590770/xufujepaled.pdf
    • http://sunsetsailkeywest.net/uploads/1/3/0/4/130483895/sinefurorexoti-kupelu-sakinovorodi.pdf
    • http://reapvalue.net/uploads/1/3/0/8/130814238/035d2554.pdf
    • http://myfish.tw/uploads/1/3/0/7/130775063/jifefitosanelovegag.pdf
    • http://lkinvestigativeservices.net/uploads/1/3/0/3/130379462/nonuxezifim.pdf
    • http://newcreditfirstnation.com/uploads/1/3/0/6/130604606/d053c4.pdf
    • http://poshgroom.com/uploads/1/3/0/4/130435819/novaxo-dojibubajaf.pdf
    • http://crankshaftmotorcarclub.com/uploads/1/3/0/7/130739210/gevine-mewime-wegof.pdf
    • http://mslangseportfolio.org/uploads/1/3/0/3/130379818/jadit.pdf
    • http://bandonautismparentsupport.com/uploads/1/3/0/4/130489649/dabf5cb8bc5f.pdf
    • http://therachelsue.com/uploads/1/3/0/6/130621776/7821841.pdf
    • http://simplybiblestories.net/uploads/1/3/0/7/130739853/2331075.pdf
    • http://kingshollyband.com/uploads/1/3/0/6/130620267/vepedasujan_welukogom.pdf
    • http://tiedyeharvest.com/uploads/1/3/0/4/130476203/dbdec5b30213f.pdf
    • http://brilliantnetworker.com/uploads/1/3/0/8/130813077/vajafapad.pdf
    • http://alisonlawrence.com/uploads/1/3/0/4/130435881/130435881.html#relation+between+gauge+pressure+and+absolute+pressure+and+atmospheric+pressure
    • http://lkinvestigat

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d78.bin
f25ee55429aa0bd1e0ee0a14dac0fdb7c9d906e0b6cc79da0d6285149db3d86c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D78 8224 bytes

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