Malicious PDF — malware analysis report

Static analysis result for SHA-256 611aa32ff961157e…

MALICIOUS

PDF

36.8 KB Authoring application: QPDF
MD5: 93e676d35426e912afb3049d281362cc SHA-1: 6aa1d948b77d57ee51a8fe24e7db10e410da777f SHA-256: 611aa32ff961157eb1a36281fae514f0badff13c62455e44a2c8c73086b0395b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by multiple heuristics, including a critical finding for a large number of external PDF links, suggesting a link farm. ClamAV identified it as phishing malware. The embedded URLs likely lead to further malicious content or phishing pages.

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://willpowergroup.net/uploads/1/3/0/5/130538959/kozodami_datulelomara.pdf
    • http://newlocalg.net/uploads/1/3/0/6/130605229/zukumux.pdf
    • http://basketsandblessings.net/uploads/1/3/0/5/130590702/04e1b378.pdf
    • http://jupita.com/uploads/1/3/0/5/130551188/e0996743d7.pdf
    • http://worldreformproject.com/uploads/1/3/0/4/130475938/suwonunuzutufusur.pdf
    • http://mytriplec-boutique.com/uploads/1/3/0/6/130640218/jowokelonegek.pdf
    • http://northernraiderstrackteam.com/uploads/1/3/0/6/130639712/e6a20db6ce950.pdf
    • http://carolinaspconstruction.com/uploads/1/3/0/5/130542953/9722193.pdf
    • http://www.beyondbirthsupport.net/uploads/1/3/0/2/130287896/sipilefajovusam.pdf
    • http://adoptil.com/uploads/1/3/0/4/130483756/wokogu.pdf
    • http://intelroom.net/uploads/1/3/0/3/130379317/pizoselujejo.pdf
    • http://vickiaskew.com/uploads/1/3/0/6/130605278/mexim_rebitadupak_nalojafol.pdf
    • http://masterdisty.com/uploads/1/3/0/6/130620492/1035957.pdf
    • http://selfindulgence.org/uploads/1/3/0/5/130540453/7391377.pdf
    • http://hazmatpackingandsupplies.com/uploads/1/3/0/4/130488749/130488749.html#achilles+tendon+rupture+video

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000036d7.bin
17b5cf868f2e9b180ec82cce3399568a2aa64c2eb85bca2b5e6813805fcbc690		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36D7 7748 bytes

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