Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6ccc11bda4743a7…

MALICIOUS

PDF

31.3 KB Authoring application: OpenOffice Draw
MD5: 420cd7429eba0cf9065f71b7c1124739 SHA-1: 9334fa4b13abf08164ec602c8782115b7151de1e SHA-256: e6ccc11bda4743a763c7914614654d5547ce7f8241479d638231c865c5434cfc
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted across numerous domains. This behavior is indicative of a link farm designed to manipulate search engine results or distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection motive. No scripts were extracted from this sample.

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://charlesheiner.net/uploads/1/3/0/6/130604233/40e61b7517.pdf
    • http://mysendittosanta.com/uploads/1/3/0/2/130270906/gifivet-kizegu.pdf
    • http://myfriendq.com/uploads/1/3/0/5/130538875/pugutakavizomeviwif.pdf
    • http://natashacorriephotography.com/uploads/1/3/0/5/130589083/donevedope.pdf
    • http://cococarinamk.com/uploads/1/3/0/5/130589295/0b16f5628613ee.pdf
    • http://pennilein.com/uploads/1/3/0/5/130551653/widegugup.pdf
    • http://motorheadtv.com/uploads/1/3/0/3/130313093/fisiwuf.pdf
    • http://tibupurig.halinsy.online/uploads/2020/01/28/3993175.pdf
    • https://sanoxolatej.weebly.com/uploads/1/3/0/3/130323624/90231e6dd4a.pdf
    • http://bcdcosmetics.com/uploads/1/3/0/6/130604394/bosisevox.pdf
    • http://andigeloolaw.com/uploads/1/3/0/6/130622025/vatexolowomomufigemu.pdf
    • http://admgems.com/uploads/1/3/0/4/130477293/130477293.html#dungeons+of+chaos+chapter+3

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001265.bin
36027582184a7a0198b94febd1bd625edd86d58f6f7c0ea8761fc3e4a57b0210		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1265 8196 bytes

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