Malicious PDF — malware analysis report

Static analysis result for SHA-256 a77a45e59978c5f3…

MALICIOUS

PDF

38.0 KB Authoring application: Solid Converter PDF
MD5: 0b8c96f045c9c56d75cf161bd4c0b433 SHA-1: cc90f20d88669f8739f29d9630d5eabaabd54975 SHA-256: a77a45e59978c5f3c1b1b2606ce09856a5216be7f48cccf5bbca634a1d74c085
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

This PDF file exhibits characteristics of a phishing campaign, specifically employing a link farm to redirect users to malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, with the primary one being http://mccallinnovations.com/uploads/1/3/0/6/130604344/395afd6.pdf. Additionally, the 'SE_CALLBACK_LURE' heuristic suggests the document's content is designed to trick users into calling a phone number, a common tactic in tech-support scams or refund-related phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further confirms its malicious nature as a phishing tool.

Heuristics 4

  • 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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://mccallinnovations.com/uploads/1/3/0/6/130604344/395afd6.pdf
    • http://mhsbooster.bluewireweb.com/uploads/1/3/0/4/130479044/verowulizurari.pdf
    • http://pandlexpress.com/uploads/1/3/0/5/130550874/addd413cd2c9e5.pdf
    • http://cahoje.com/uploads/1/3/0/7/130739779/suresogabure.pdf
    • http://nowphotobooths.com/uploads/1/3/0/2/130287553/e10df.pdf
    • http://mobileboutiqueadriannemerkling.com/uploads/1/3/0/4/130488851/nixodafuxinixin_bibatuliri_buxevubufo_xesukek.pdf
    • http://mvbabysitting.com/uploads/1/3/0/5/130551907/damixorame_pirulab.pdf
    • http://johnrasberry.com/uploads/1/3/0/3/130313271/zizumabepokaguf_masexosok_lujativ_sopulamomi.pdf
    • http://kylaconner.com/uploads/1/3/0/7/130740617/130740617.html#reported+speech+worksheet+with+answers+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001242.bin
f736abeef3c7a19a452ee3e0acff4c2ca4522436b23cbb8079e3add2249f5a1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1242 8248 bytes

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