Malicious PDF — malware analysis report

Static analysis result for SHA-256 88c3c68e2d75e7a8…

MALICIOUS

PDF

45.1 KB Authoring application: Soda PDF
MD5: f4becc7365a0c7cc94241dfa48102ce4 SHA-1: 5adf89125899ae6f4f4dd6259ccf45f4f3196ec8 SHA-256: 88c3c68e2d75e7a8a11188aaee057784a6315aa843d01cf38b8f634c7dbb2bfb
140 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The 'SE_CALLBACK_LURE' heuristic indicates a phishing or tech-support scam context. The embedded URLs point to various domains, suggesting a distribution network. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports the malicious intent.

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://montanabridalshows.com/uploads/1/3/0/6/130603927/vejezatalemukepagila.pdf
    • http://wenebe.superstudy.ru/uploads/2020/01/27/didetedar.pdf
    • https://zawexosuzab.weebly.com/uploads/1/3/0/5/130588583/tuligavixomolam.pdf
    • http://geoffwehmeyer.com/uploads/1/3/0/6/130604606/jemutenefizoso_lawalos.pdf
    • https://rogemifuke.weebly.com/uploads/1/3/0/6/130603944/titef_duwuwivoxeb.pdf
    • http://jowujekija.agicole-acces.com/uploads/2020/01/28/kobavevaxujomu.pdf
    • http://sak.askaryan.com/uploads/2020/01/28/dixogitivurovu-rurada.pdf
    • http://adamhenryink.com/uploads/1/3/0/4/130477090/wusafuvusike-mozev.pdf
    • http://doeatjangkir.com/uploads/1/3/0/6/130639743/biguw-vexulemeg-zisikefano-levakozo.pdf
    • http://commstech-hub.eisf.eu/uploads/1/3/0/6/130605028/tiwusonom_dujozukosakup_lefom_mizadewowularu.pdf
    • https://piwetusidazu.weebly.com/uploads/1/3/0/5/130551364/95cf6eeb109547.pdf
    • http://dumok.club/uploads/2020/01/28/rasukopudusad-tubuk-bisejonemizu.pdf
    • http://cresaptownsportsmanclub.net/uploads/1/3/0/4/130483805/130483805.html#aa+health+insurance+claim+form

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001384.bin
aaac00c060da2f3bfee468f1f2061734f9e83b2061086713018ba6849f62b1b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1384 8144 bytes
font_01_sfnt_off000069f1.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69F1 16036 bytes

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