Malicious PDF — malware analysis report

Static analysis result for SHA-256 beed1e6645d676da…

MALICIOUS

PDF

87.0 KB Authoring application: Mobipocket Creator
MD5: 8e761a24b3b367d99240715f69b251a7 SHA-1: 70b0f647d6ba13abd97c45164dbd3e8603b897ed SHA-256: beed1e6645d676da570505ead1c0aaa5c4c7990834122d43355757d289977cb8
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 on various domains. This behavior is indicative of a link farm or a distribution mechanism for malicious content, as suggested by the 'PDF_SEO_LINK_FARM' heuristic and ClamAV detection. The document body itself is heavily obfuscated and does not provide clear user-facing content, further supporting the interpretation that the primary function is to redirect users to external resources.

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://www.touchforhealth.co.za/uploads/1/3/0/7/130738803/8617101.pdf
    • http://nyicnamatrimonial.com/uploads/1/3/0/4/130488332/31a06.pdf
    • http://boisevalleytreetrimming.com/uploads/1/3/0/2/130270804/bdaaa7.pdf
    • http://angelialayton.com/uploads/1/3/0/8/130874266/7435225.pdf
    • http://mtdefender.com/uploads/1/3/0/6/130620965/loveniduxuboxezo.pdf
    • http://alpeshome.info/uploads/1/3/0/3/130379333/001768118d034c.pdf
    • http://www.actionlifegroup.com/uploads/1/3/0/3/130323616/xiseg.pdf
    • http://ministrycoachassociates.net/uploads/1/3/0/6/130620578/4638988.pdf
    • http://www.hippielovelifestyle.com/uploads/1/3/0/6/130621800/3318144.pdf
    • http://yasminevintage.com/uploads/1/3/0/8/130874566/navujo-wapixume.pdf
    • http://www.ehirsch.at/uploads/1/3/0/8/130874153/5483564.pdf
    • http://www.themasterfryertest.com/uploads/1/3/0/4/130478106/fijokeru-ravima-wusesixopomi.pdf
    • http://jacobklaus.com/uploads/1/3/0/8/130874262/1525331.pdf
    • http://summervillemediation.com/uploads/1/3/0/6/130604446/e3e5ddba86.pdf
    • http://psinco.com/uploads/1/3/0/7/130739381/bedidezojafilaz.pdf
    • http://zentdd.com/uploads/1/3/0/3/130313107/kolus_dowazuvi_raxurup_kalegutudadum.pdf
    • http://weldamania.com/uploads/1/3/0/5/130589040/439736.pdf
    • http://mysummerwithjack.net/uploads/1/3/0/3/130379673/tozufe.pdf
    • http://catrapsheet.com/uploads/1/3/0/8/130814644/7988414.pdf
    • http://3737cicero.com/uploads/1/3/0/6/130603853/6689ee26.pdf
    • http://morrowtimes.com/uploads/1/3/0/2/130289775/juxifobafamu_beridubukomed_zusaxifedobu.pdf
    • http://www.lysandertreumann.com/uploads/1/3/0/6/130639810/fetafonasufevu-bexuwodiko.pdf
    • http://knuckleswhiterock.com/uploads/1/3/0/7/130776508/buxuzalivusujume.pdf
    • http://7cstravel.voyagerwebsites.com/uploads/1/3/0/4/130476687/130476687.html#aircrack-ng+install+in+kali+linux

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012fc.bin
79508b2e5dd5490de5c18e8b91b5ddc6f2be96fd9005007a31262df7f9d6c6a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12FC 11276 bytes

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