Malicious PDF — malware analysis report

Static analysis result for SHA-256 f39f613a25a6c964…

MALICIOUS

PDF

44.2 KB Authoring application: LibreOffice Draw
MD5: 0d1c035bdf5ce53cf088149f6eecdecd SHA-1: 71bf3dc773f3ce017f1204036e37ed3a976bcb5e SHA-256: f39f613a25a6c964c4d3cc47bc459538f6dd047c6bc96760f2fd5bad97249d5a
128 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to other PDF files. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the 'PDF_SEO_LINK_FARM' heuristic indicate a phishing or malicious redirection attempt. The document body also contains urgency language, reinforcing the phishing lure.

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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://allsoftabcsoft652.weebly.com/uploads/1/3/0/4/130435846/vopananezizijegopup.pdf
    • http://optiki.bg/uploads/1/3/0/6/130605472/b305230e82d3c.pdf
    • http://motherofbrumbies.com/uploads/1/3/0/2/130272478/masivuwovuwufib-popeme-watozujisegag.pdf
    • http://playtherapyonlinetrainingacademy.com/uploads/1/3/0/7/130739324/fojidazarened.pdf
    • http://redbaronlimo.com/uploads/1/3/0/2/130289636/vopomamu_jomigikekeda_bonejiwamutu_pumedawo.pdf
    • http://rejuvenatemedical.co.uk/uploads/1/3/0/6/130604238/daduxoxolom.pdf
    • http://tnpcdc.org/uploads/1/3/0/5/130588443/kanin.pdf
    • http://silviazucchetti.com/uploads/1/3/0/6/130604896/lemosiderexu.pdf
    • http://mhdtechnologycorp.com/uploads/1/3/0/5/130550980/tifuxututaz.pdf
    • http://cecilyeiferle.com/uploads/1/3/0/2/130289239/130289239.html#written+warning+letter+template+uk

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012a9.bin
d251495ce7a4521c96ffec4f4ec68f88985b496012376776d2d8a0daf0b7da2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12A9 8460 bytes

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