Malicious PDF — malware analysis report

Static analysis result for SHA-256 8656d26f06e4b441…

MALICIOUS

PDF

83.7 KB Authoring application: OpenOffice.org
MD5: 7c5f46d2edea851dde77867036c56a88 SHA-1: 68ba7241b62b2996e2ad404756b556b637ce6661 SHA-256: 8656d26f06e4b441abbe3599166af8da25fee9f419ee2cc0c0256bccf117479c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags this as phishing malware. The embedded URLs point to a network of domains, suggesting a coordinated effort to redirect users. The document body text is largely unreadable due to truncation and encoding issues, preventing a more specific analysis of the lure.

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://mensthings.net/uploads/1/3/0/2/130289745/7944191.pdf
    • http://imagesofcleveland.com/uploads/1/3/0/5/130550787/zimopenukexezudafe.pdf
    • http://dgiindex.org/uploads/1/3/0/6/130640194/3330935.pdf
    • http://mrvsteaks.com/uploads/1/3/0/6/130621626/08cbae07b19df.pdf
    • http://neufeldvolk.com/uploads/1/3/0/4/130483243/0e1b1ae58021.pdf
    • http://tren.net/uploads/1/3/0/5/130590030/tenavejejetute-fugewuzog-ravubenegafu.pdf
    • http://mindfulmoves.net/uploads/1/3/0/5/130590351/vofebejijef.pdf
    • http://beatsbytheharv.com/uploads/1/3/0/4/130476581/7536b2eaf4a5a81.pdf
    • http://suekennedycelebrant.com/uploads/1/3/0/4/130483200/dd3a19.pdf
    • http://tactiming.com/uploads/1/3/0/4/130489358/nobazovebutuzoxajas.pdf
    • http://bbsfurniture.info/uploads/1/3/0/8/130813904/latuwokodi.pdf
    • http://grifters.com/uploads/1/3/0/5/130550713/tufegavesixabejitug.pdf
    • http://nirvanasway.com/uploads/1/3/0/2/130272350/e091cf748.pdf
    • http://archisdesign.net/uploads/1/3/0/2/130271184/3402641.pdf
    • http://michaelgierl.com/uploads/1/3/0/7/130775123/zidixovosugeb.pdf
    • http://longislandoverheaddoors.net/uploads/1/3/0/6/130621786/ravobera-latebav.pdf
    • http://wearmonster.com/uploads/1/3/0/4/130435499/4197173.pdf
    • http://websitesbycornelia.co.nz/uploads/1/3/0/5/130550910/papirezo_redonoz_sizujigaxali.pdf
    • http://drstellamedicalintuitive.com/uploads/1/3/0/6/130639024/3854458.pdf
    • http://74-123-77-115.mgwnet.com/uploads/1/3/0/7/130775810/130775810.html#edward+said+reflections+on+exile+summary

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000047d5.bin
fcbbf07cb2b9c29c8ef54a57343b36c005108deae3a80672c7dd4ec1749b212e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47D5 7440 bytes

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