Malicious PDF — malware analysis report

Static analysis result for SHA-256 51e55cdc45dded11…

MALICIOUS

PDF

40.2 KB Authoring application: PDF Studio
MD5: 6ea1a5168458096f4fbd2a48e64f67f0 SHA-1: 01d8b610ebe3f7e83bca6aa684562938030f85d8 SHA-256: 51e55cdc45dded11c878ef7a5f06e66c62aed7c42f8c9103b42dc3437d80d8bf
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, forming a link farm. This is indicative of a phishing or SEO poisoning attack, aiming to redirect users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. The document body, though heavily obfuscated, appears to be a lure related to 'Foot acupressure points chart' or 'Foot Reflexology Chart', likely a pretext to disguise the malicious nature of the embedded links.

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://inglesaldia.com/uploads/1/3/0/2/130287817/19f98b58e9b6d.pdf
    • http://mccormicktileandstone.com/uploads/1/3/0/6/130604350/xajugomasat.pdf
    • http://hellojean.com/uploads/1/3/0/4/130476347/megasuxirexodamiluk.pdf
    • http://blackflixx.com/uploads/1/3/0/2/130287976/2139669.pdf
    • http://boxinsideabox.com/uploads/1/3/0/8/130813921/7904a7a3f3554.pdf
    • http://geraldkersh.com/uploads/1/3/0/7/130739373/zubalog-dudumexuvorepog-papotosezaber-kipijekadosiw.pdf
    • http://m4asanow.com/uploads/1/3/0/7/130775594/98d2cd9.pdf
    • http://curamifatiga.com/uploads/1/3/0/5/130540645/7db8e926.pdf
    • http://domainchangers.com/uploads/1/3/0/5/130588352/cf03bba2e2553.pdf
    • http://sydneydudley.com/uploads/1/3/0/7/130775228/powufilaxukexop-tureje-tokudekiruko.pdf
    • http://geraldkersh.com/uploads/1/3/0/6/130621988/sotol-mutodova.pdf
    • http://shelleycorr.com/uploads/1/3/0/8/130813136/fipedufugoje.pdf
    • http://beachconcession.com/uploads/1/3/0/4/130483337/5852161.pdf
    • http://coachyvonne.com/uploads/1/3/0/6/130604416/pifogizabig.pdf
    • http://bkrht5.bdgct.com/uploads/1/3/0/4/130476650/130476650.html#foot+acupressure+points+chart
    • http://geraldkersh.com/uploads/1/3/0/7/130739373/zubalog-dudumexuvorepog-papotosezaber-kipijekado

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004267.bin
85575f3c56dddb635b3e1164499d8547f96f8635aa375eac3ea411229f41ffe7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4267 8336 bytes

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