Malicious PDF — malware analysis report

Static analysis result for SHA-256 506c9e2a645dcc99…

MALICIOUS

PDF

30.7 KB Authoring application: PDFBox
MD5: 5fd8e46c003d92be842811376533b45f SHA-1: cdce3aaf5e7bd5054e9439c95fefe713ba4d13fd SHA-256: 506c9e2a645dcc99259f8b6d180f8f682f0a6423aef428b40fcbbac081095916
120 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a critical heuristic firing for PDF_SEO_LINK_FARM, indicating a large number of external PDF links. The document body contains numerous URLs, many of which are associated with suspicious or unknown reputations, suggesting a phishing or malware distribution campaign. The primary intent appears to be directing users to external, potentially malicious, PDF files.

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://asociacionperiodistaspr.org/uploads/1/3/0/5/130551468/fumetevopuzef_sabelo.pdf
    • http://mitesidowi.uniquecostumeideas.net/uploads/2020/01/28/pijokovim-gidapunos-zidutul.pdf
    • http://god.ledilolli.com/uploads/2020/01/28/kifugazomifi-surixameramej.pdf
    • http://mysticthisweek.com/uploads/1/3/0/3/130313299/bbace6a3.pdf
    • https://marozofodib.weebly.com/uploads/1/3/0/5/130551155/4708008.pdf
    • http://tatismoving.ca/uploads/1/3/0/2/130291640/ca542d8fd5d0ce7.pdf
    • http://nice-body.net/uploads/1/3/0/4/130483041/fuviletefi.pdf
    • http://zexuvodip.davidmazurphoto.com/uploads/2020/01/28/1594517.pdf
    • http://chefliuhouston.com/uploads/1/3/0/2/130270898/raxero.pdf
    • https://xuvezekezok.weebly.com/uploads/1/3/0/2/130289773/d3b0a18e902a378.pdf
    • http://loto2019.site/uploads/1/3/0/5/130589083/3482770.pdf
    • http://bima.best-of-world.ru/uploads/2020/01/28/kefelije.pdf
    • https://xibemeragebuti.weebly.com/uploads/1/3/0/4/130435629/2543509.pdf
    • http://wrsni.com/uploads/1/3/0/5/130543032/130543032.html#free+vector+background++eps

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012fd.bin
93817596718974dd5be854f66999dd631bb1f51858b4b00f75b74e522bf0476a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12FD 6996 bytes

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