Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6d3fe5cb06d415f…

MALICIOUS

PDF

42.8 KB Authoring application: SWFTools
MD5: fa27e0ec1a2569d0745bab52505216b4 SHA-1: 3509caa9b2ad148f78a18ee0cea3f9d4c8705f4d SHA-256: e6d3fe5cb06d415f81cb4e6a23ae93f05574ec3e497b129b85cbdeb0ed16661d
136 Risk Score

Malware Insights

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

The PDF contains a link farm pointing to multiple external PDF files, a common tactic for SEO poisoning or distributing malicious content. The document body text and heuristic firings indicate a lure related to invoices or payment, further suggesting a phishing or scam attempt. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly supports a malicious intent.

Heuristics 5

  • 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
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://royfonte.com/uploads/1/3/0/4/130477335/remulibevu_nufupuzipuwemip_bimezaxape_fesumo.pdf
    • http://cinemacritico.online/uploads/2020/01/28/wofavepukuzekaf_tekifumenuladow_kegevoxikil_sarutedugesi.pdf
    • http://onlygodcanjudgeus.com/uploads/1/3/0/7/130740128/d7fb7ed298.pdf
    • http://stacey-ramos.com/uploads/1/3/0/3/130379232/lofatedodabegez_vorakililuvur_xovijifimup.pdf
    • http://allergy.mediutopia.com/uploads/1/3/0/4/130493037/130493037.html#reprint+pan+card+online+application+nsdl

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000110c.bin
dbba8ca829de15cde9c9bdfe0e7ae2a73466173a338163929464aa2efdd409aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x110C 9000 bytes
font_01_sfnt_off00005ffa.bin
8cfcfda2de135009cb7f7680f89e7a86a38d6fb24d0afa35d657b9e3a072a2b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FFA 16336 bytes

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