Malicious PDF — malware analysis report

Static analysis result for SHA-256 f52e1ab74cdec344…

MALICIOUS

PDF

40.2 KB Authoring application: OpenOffice.org
MD5: 4e4a0f6eca7d098934358fac6c073674 SHA-1: 55d91798c9a1b0c74c7090514bf3c7152a1a48ee SHA-256: f52e1ab74cdec34428744784437ef3d572cf0fc51897e7dc0e37a95fb87b683e
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 links to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. The document body, though heavily obfuscated, mentions file conversion, which could be a lure to disguise the malicious link farm.

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://robynseyeview.com/uploads/1/3/0/5/130544754/kojudo-xafov-vuzodekoju.pdf
    • http://www.science-methods.com/uploads/1/3/0/5/130588388/sarirul.pdf
    • http://www.punchlistexpress.com/uploads/1/3/0/5/130542948/da3f3a9.pdf
    • http://drdavidlevi.com/uploads/1/3/0/5/130588451/a0c47c150d.pdf
    • http://nevermoreacrespetrescueinc.com/uploads/1/3/0/4/130488387/zijagetarawivakojopo.pdf
    • http://reslermusicstudio.com/uploads/1/3/0/7/130738710/sesanisejog_vofore.pdf
    • http://flashflooringinteriors.com/uploads/1/3/0/3/130313728/058c0d5.pdf
    • http://nrg-electrical.com/uploads/1/3/0/3/130379777/812377681ed4964.pdf
    • http://www.robinsonmsband.com/uploads/1/3/0/7/130776632/a0e94eb54c1.pdf
    • http://arthurcountywolves.org/uploads/1/3/0/5/130588973/xiwawepisuwi.pdf
    • http://74-123-72-151.mgwnet.com/uploads/1/3/0/6/130620198/gebim.pdf
    • http://communicationx.caece.net/uploads/1/3/0/8/130813117/424b801c98e1.pdf
    • http://niche-holdings.com/uploads/1/3/0/2/130271116/ritizejemu_zavumenoko_wepezefexamuter_zefudufebug.pdf
    • http://annieshandmadesweets.com/uploads/1/3/0/7/130739930/5686742.pdf
    • http://webdisk.tgwca.org/uploads/1/3/0/7/130775497/5069123.pdf
    • http://mozellemosaics.com/uploads/1/3/0/7/130739254/140526.pdf
    • http://mail.kintzmejiaballet.com/uploads/1/3/0/6/130639511/130639511.html#convertisseur+fichier+pdf+en+word+pour+mac
    • http://www.science-methods.com/uploads/1/3/0/5/130588

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e19.bin
1194919ce948ee7e6115d9f37260c9d773f32534877ee60de56a51f5b7dfc714		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E19 9772 bytes

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