Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a8959759956f09d…

MALICIOUS

PDF

31.8 KB Authoring application: Serif PagePlus
MD5: 59823165be281e84e36ca7ef5c58bc6b SHA-1: 5b36bcb2c7e345aa5f61c4bb1f21038e068a5de3 SHA-256: 7a8959759956f09d8667a623508fc3ab2bc3ea85e59f0c3084d856e91bf071a7
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a PDF_SEO_LINK_FARM heuristic, indicating the presence of numerous external links within the document. The primary malicious activity observed is the embedding of a link farm pointing to multiple PDF files hosted on various domains, suggesting an attempt to manipulate search engine results or distribute further malicious content. The document body itself contains garbled text and embedded URLs, reinforcing the malicious nature of the file.

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://deottoalberto.com/uploads/1/3/0/2/130273896/800692.pdf
    • https://jofikovevaja.weebly.com/uploads/1/3/0/5/130539871/jatizagejojunet_woriduzesujojiz_jepevijaf_towikumozo.pdf
    • http://misobuildingptyltd.com/uploads/1/3/0/5/130539165/nudawobuvit.pdf
    • https://voxosajizeta.weebly.com/uploads/1/3/0/5/130546434/5579726.pdf
    • https://zabetegikajida.weebly.com/uploads/1/3/0/6/130604226/gemobesoxopeganurabe.pdf
    • http://pattiepperson.com/uploads/1/3/0/2/130287929/sixizunujiledukavu.pdf
    • http://zif.forexinaustralia.club/uploads/2020/01/28/746574c1e64be.pdf
    • http://cosy-home.org/uploads/1/3/0/2/130271142/luxapog-xuweke-xapalowufenoduk-vuxepuzagusosad.pdf
    • http://aminomassage.com/uploads/1/3/0/5/130543402/6baa131.pdf
    • http://cafedonruiz.com/uploads/1/3/0/6/130605403/ab057f57.pdf
    • http://msptohumboldtproducts.com/uploads/1/3/0/3/130323227/130323227.html#melbourne+local+tour+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000128f.bin
c1c6765f513ce4abfcaf03f0e5fd2d68aa382bc4c11ab74ef4881722577dd657		 pdf-font-stream PDF embedded font (sfnt) at offset 0x128F 7980 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.