Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c12ba902693ff51…

MALICIOUS

PDF

40.7 KB Authoring application: OpenOffice Draw
MD5: 2c38258dfe5c8bbd75bdc6048744b792 SHA-1: ccde9e4a2010d1786b426569a66b80877df58348 SHA-256: 0c12ba902693ff51263c33577f7a9e0ef2b7c90cfb1f452c68cff42c8245fad2
192 Risk Score

Malware Insights

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

The PDF contains a large number of links to external PDF files hosted on various domains, indicating a link farm or redirection scheme. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or scamming operations. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://thesocialist.us/uploads/1/3/0/6/130620637/dibugagegun_jivolokizapi.pdf
    • http://concoursocial.com/uploads/1/3/0/5/130588635/b356ee46d6.pdf
    • http://thesandwichclubnj.com/uploads/1/3/0/4/130488512/tozima.pdf
    • http://5pointauto.com/uploads/1/3/0/7/130739180/madapesawitaxuleki.pdf
    • http://kpugaming.com/uploads/1/3/0/6/130620857/84b9b51.pdf
    • http://yego.store/uploads/1/3/0/7/130739251/siparaji.pdf
    • http://electricianmartincounty.com/uploads/1/3/0/8/130874391/dazimoluvenotun.pdf
    • http://twistedfoil.com/uploads/1/3/0/3/130379368/rulexurobijuju.pdf
    • http://www.silvermichaels.com/uploads/1/3/0/2/130273625/xojowipenukesi_nedukosofo_zudotures.pdf
    • http://www.kevinsjobe.com/uploads/1/3/0/5/130590462/tirujad-gimulibemufepav.pdf
    • http://ayasuda.com/uploads/1/3/0/7/130738704/1913931.pdf
    • http://christyfuneralhome.org/uploads/1/3/0/5/130588922/begitokevepe.pdf
    • http://erinkchapin.com/uploads/1/3/0/4/130483266/dukolofinafikuzulum.pdf
    • http://ladiesandlunch.org/uploads/1/3/0/5/130539987/tenugim.pdf
    • http://mta-sts.mail.lymphlight.com/uploads/1/3/0/7/130776589/xadujobegupojabobupu.pdf
    • http://www.certa.xyz/uploads/1/3/0/5/130590322/5946186.pdf
    • http://mindmusclefitness.com/uploads/1/3/0/2/130273850/563039a129b3.pdf
    • http://nextgenerationmarbleandgranitecom.com/uploads/1/3/0/5/130545199/bubojagosuv_vuwubisefirulal_laxejazepafizol.pdf
    • http://dantothofficial.com/uploads/1/3/0/3/130313383/1ed276f.pdf
    • http://mhhsfootball.mtnhomesd.org/uploads/1/3/0/7/130739747/41f2b.pdf
    • http://nubeginningfarm.com/uploads/1/3/0/6/130605164/2014662.pdf
    • http://coinacadamy.net/uploads/1/3/0/7/130776672/cf35cf33dd841c.pdf
    • http://jer-zu.com/uploads/1/3/0/4/130488217/8bb877c.pdf
    • http://newtonanchorbar.co.uk/uploads/1/3/0/2/130291783/tavitadabixugil-tesij-fibanada-duxobozod.pdf
    • http://www.nugenesissound.com/uploads/1/3/0/2/130287488/130287488.html#dc+motor+position+pid+control+arduino

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a05.bin
d9afc2bab486a231b1cc6286d7ee2c22257e4253f4bf48b27d32798112657b01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A05 8412 bytes

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