Malicious PDF — malware analysis report

Static analysis result for SHA-256 075bdff08ee58454…

MALICIOUS

PDF

26.8 KB Authoring application: Karbon
MD5: 7713f396324e3f9c8cb6530408a11eb6 SHA-1: 60b467bf7ec5631edd3cc0fe04988cce1470f5d2 SHA-256: 075bdff08ee584540791ba5f457b2a5b271acb322cc0ec21a5e1bf178de12d72
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. The document body contains numerous URLs pointing to external PDF files across various domains. This suggests a tactic to distribute malicious content or engage in SEO spam, potentially leading to phishing or malware distribution.

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://mission-scamper.com/uploads/1/3/0/7/130739061/4916581.pdf
    • http://thewhyissue.com/uploads/1/3/0/2/130272636/fbdd6b5769f6b.pdf
    • http://raycoffee.net/uploads/1/3/0/3/130323817/6280742.pdf
    • http://amjav.com/uploads/1/3/0/6/130621160/9d2a84beedf.pdf
    • http://blackrocksolar.net/uploads/1/3/0/4/130435771/pejazigezilikokabi.pdf
    • http://hempcreationsvt.com/uploads/1/3/0/5/130541209/c1ad5c4b8f34f5.pdf
    • http://clintmorris4layton.us/uploads/1/3/0/5/130550926/6177136.pdf
    • http://celinesestevez.com/uploads/1/3/0/6/130605341/lotidawujod.pdf
    • http://vechain.technology/uploads/1/3/0/7/130775436/ritifujemaxoxaxosaru.pdf
    • http://www.fortheloveofdogusa.com/uploads/1/3/0/5/130552016/dijapujawovajof-noruwe-jenapiten.pdf
    • http://yes-bin-drin.com/uploads/1/3/0/6/130604319/7c8b8c.pdf
    • http://lisatroutman.com/uploads/1/3/0/8/130874349/460990.pdf
    • http://keithharleystyle.com/uploads/1/3/0/7/130740590/92979cf0020c865.pdf
    • http://nvui.org/uploads/1/3/0/7/130775092/45d25ec2b950.pdf
    • http://kathyfitzsimmonsart.com/uploads/1/3/0/6/130639600/8897206.pdf
    • http://sc.thesuites-taitung.com/uploads/1/3/0/6/130604862/b9b53288.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003236.bin
e3d1bbd583dd1edfb29963d18befcbe89a9127071e1d0641a2627191691e9c97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3236 9344 bytes

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