Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc400b1d6f41e994…

MALICIOUS

PDF

33.7 KB Authoring application: Pdftk
MD5: af57ddf33308c763eedae27167461b54 SHA-1: 5c93bf88a7832573d0b47f2ff556e169a026c406 SHA-256: bc400b1d6f41e994ca787f40be135944da2612d1a05798afa705f3c2fde0b824
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files hosted on various domains. This technique is often used for SEO poisoning or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or content distribution campaign.

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://sonomaturkeytrot.com/uploads/1/3/0/5/130590195/8786894.pdf
    • http://refreshcoaching.org/uploads/1/3/0/2/130291358/8714779.pdf
    • http://binda-narine.com/uploads/1/3/0/7/130739648/dujegi.pdf
    • http://mrcrosbyswebsite.com/uploads/1/3/0/4/130477719/pupemi-nidavodi-wogezupe-vebuderutoso.pdf
    • http://outcomebasedinvestments.com/uploads/1/3/0/9/130969960/c0084c5c16aa6.pdf
    • http://zen-league.com/uploads/1/3/0/2/130288580/5257854.pdf
    • http://faithlifetv.org/uploads/1/3/0/6/130639763/1848893.pdf
    • http://independentautomotive.net/uploads/1/3/0/2/130270913/pawidi_viroluzisopagi.pdf
    • http://myadnteam.com/uploads/1/3/0/4/130435573/kemasinovevojexede.pdf
    • http://mikelindenthal.com/uploads/1/3/0/8/130813398/vawivivagojoto-mafubim-ruzilifaw-liwivutizig.pdf
    • http://cloudmate.eu/uploads/1/3/0/6/130620424/podomon_goxekodabi.pdf
    • http://www.altercredo.com/uploads/1/3/0/6/130604110/sutogap-mubemojo-ziruwenigum-pekuvamupes.pdf
    • http://redirecttestthingy.com/uploads/1/3/0/6/130621334/kutev.pdf
    • http://lordpulex.com/uploads/1/3/0/5/130551015/ladobesisekud_junux_dixijob_dututijibukawif.pdf
    • http://coge.me/uploads/1/3/0/6/130640219/najowimesoji.pdf
    • http://www.ford-f150-raptor.com/uploads/1/3/0/6/130621052/zedilupudew-ferulovavulafe.pdf
    • http://bsgfinancial.com/uploads/1/3/0/2/130287875/lamogibol_sufemadilaf_banaraveb_denuxonoxivid.pdf
    • http://gabbysamantha.com/uploads/1/3/0/6/130604151/130604151.html#convertir+un+pdf+a+jpg+online+gratis

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002565.bin
5b788f311c794154737aefa2f556c13bc6ab57da2fd4b236dcd2b7a81db2465d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2565 8688 bytes

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