Malicious PDF — malware analysis report

Static analysis result for SHA-256 6510eda316b60d71…

MALICIOUS

PDF

30.0 KB Authoring application: Solid Converter PDF
MD5: d0465b82e7993fe604e7388d53124d5d SHA-1: 0304f8d6193d505805ee9d433295c8cf14f4b138 SHA-256: 6510eda316b60d715449df890f0ac469c7d03604d48c31dadd8f1208e5568f3f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files across numerous domains, indicative of a link farm or a distribution mechanism for further malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or SEO abuse. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

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://gayology.com/uploads/1/3/0/5/130551523/c90874172.pdf
    • http://www.thestoryoffifa.com/uploads/1/3/0/6/130621840/6660828.pdf
    • http://csmmttaiwin.com/uploads/1/3/0/7/130739789/lefivipo-pexojufu-puwoxeno.pdf
    • http://ncstateroleplay.com/uploads/1/3/0/2/130273581/zaderosogirob-lavog-tutuwusudigub.pdf
    • http://exponentialtimes.tv/uploads/1/3/0/4/130476313/0415f459132df5.pdf
    • http://plbuilders.net/uploads/1/3/0/7/130775867/70f07.pdf
    • http://guysatwork.com/uploads/1/3/0/3/130379065/8443498.pdf
    • http://childrensxmasparty.fun/uploads/1/3/0/7/130775518/ad7e138c0493b.pdf
    • http://www.classicseiko.com/uploads/1/3/0/5/130539492/3746715.pdf
    • http://mta-sts.mx.janewman.com/uploads/1/3/0/7/130738754/welovuruxa-bivowav.pdf
    • http://chrisensweiler.com/uploads/1/3/0/6/130620782/xowewijer.pdf
    • http://spdcpa.ca/uploads/1/3/0/5/130588997/7a590e01ccb4f74.pdf
    • http://neverwait.life/uploads/1/3/0/4/130477882/kezade.pdf
    • http://achildofwonder.com/uploads/1/3/0/2/130288348/6422160.pdf
    • http://replenishmysoul.com/uploads/1/3/0/6/130604637/1787968.pdf
    • http://themovelab.com/uploads/1/3/0/5/130547515/8512778.pdf
    • http://redjamengineering.co.nz/uploads/1/3/0/3/130313188/juxaxokunupive_gowakerogigirom_rigokijebewerow.pdf
    • http://monvalais.net/uploads/1/3/0/6/130639217/6243175.pdf
    • http://mta-sts.stonefoundationproperties.com/uploads/1/3/0/8/130874266/mezivepob.pdf
    • http://alporusi.fi/uploads/1/3/0/3/130323601/3425893.pdf
    • http://nenzhengqiandeqipai.br3h.com/uploads/1/3/0/3/130323255/130323255.html#acetonitrile+merck+coa

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001854.bin
2e83470876d23031ed5fa21e6d3355a3e80c92df593ae5fcc0105e6bae389e41		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1854 6824 bytes

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