Malicious PDF — malware analysis report

Static analysis result for SHA-256 b57bc5fdc290bf0c…

MALICIOUS

PDF

56.5 KB Authoring application: OpenOffice Draw
MD5: 1ead9e2b57b1e4bacaaffc0a0a5bd34f SHA-1: e546a6b217d0c1d5bdd1c46887d99ee1df107962 SHA-256: b57bc5fdc290bf0c4971cab119877a3c5812cf6f6d743f7d781b2abd27f30a0d
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical finding for a large number of embedded external links, indicating a link farm. The ML classifier also strongly suggested maliciousness. The embedded URLs point to various domains, all structured similarly, suggesting a coordinated effort to distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://alt-lifecoach.com/uploads/1/3/0/6/130622063/fibonewena.pdf
    • http://iraqadvisorygroup.com/uploads/1/3/0/6/130620560/1322176.pdf
    • http://tabletopleague.com/uploads/1/3/0/4/130488884/pagirobon.pdf
    • http://nirthpanter.net/uploads/1/3/0/3/130323115/fukozukoruf.pdf
    • http://apebit.com/uploads/1/3/0/5/130551006/wufedipupogapof-rinesebok.pdf
    • http://www.wafreedomtoboycott.org/uploads/1/3/0/5/130550936/eedd4d0344.pdf
    • http://sadiemedros.com/uploads/1/3/0/6/130604568/455a3.pdf
    • http://www.b2bcollectionstrategies.com/uploads/1/3/0/5/130539035/93d191d.pdf
    • http://ecarsindia.in/uploads/1/3/0/7/130739200/didisalanurep.pdf
    • http://www.embracingthewaves.com/uploads/1/3/0/9/130969471/jajafusosugulivojag.pdf
    • http://danielscotthunt.com/uploads/1/3/0/4/130483122/sefovozoxifekux-bovoposirov-kevamabuwad-neluma.pdf
    • http://actuptroupe.com/uploads/1/3/0/6/130621703/besitinufuj-jogosigade-zefewinesaza-finuronoki.pdf
    • http://beaumonttennisacademy.com/uploads/1/3/0/7/130775680/3ed7adf87accaf.pdf
    • http://globalcrosslinker.com/uploads/1/3/0/6/130640102/6285650.pdf
    • http://ashleyrosemiller.com/uploads/1/3/0/5/130588570/majudi_kitoze.pdf
    • http://medios21.com/uploads/1/3/0/2/130287799/2d8a62f9cbb270.pdf
    • http://mail.dowelandburr.com/uploads/1/3/0/6/130621940/jukefese.pdf
    • http://mutiny-cannabis.com/uploads/1/3/0/4/130476417/1783255.pdf
    • http://panacea3sucks.net/uploads/1/3/0/6/130621459/buketaf-juxozixelabo-jogefij.pdf
    • http://drobgyn.net/uploads/1/3/0/6/130604477/130604477.html#edgar+allan+poe+the+tell+tale+heart+theme

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001115.bin
2b314a0104ec5ae00c526fc1750dfcf79952f9e4412c009f4c0e87f05d9e6ac1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1115 9108 bytes
font_01_sfnt_off000095b2.bin
41d5c9cb4d60b7530e3cfd93a78efd430fe179aa57a8296e74fb8a971da4b0ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95B2 2600 bytes

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