Malicious PDF — malware analysis report

Static analysis result for SHA-256 50c60af97a2c3a0d…

MALICIOUS

PDF

43.6 KB Authoring application: Solid Converter PDF
MD5: d443e6850533dba360c8c313224bb694 SHA-1: b5e519f473441d7021e44812324259ed4afc194a SHA-256: 50c60af97a2c3a0d615f681e37555c882596dd1cadcf38931de409d5113ddc93
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV also flagged this file as malicious. The embedded URLs suggest a link farm or phishing campaign, aiming to direct users to potentially malicious content hosted on various domains. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://12250parkway.com/uploads/1/3/0/5/130588957/taxiwogol_dalulu_wekidiren_sukasulabewup.pdf
    • https://zojosuru.weebly.com/uploads/1/3/0/5/130588787/mosarifipasex-miduv-fikezuzinel-kivubeb.pdf
    • http://1920blaq.com/uploads/1/3/0/6/130621193/gosem_lenesad_dajapowisuro.pdf
    • http://lil.filka.icu/uploads/2020/01/28/267ef43d4e.pdf
    • https://botojuzuxadapa.weebly.com/uploads/1/3/0/4/130436271/d72e9849e8cfbad.pdf
    • https://gerawaxojapo.weebly.com/uploads/1/3/0/5/130540128/dupavowufo_depotabu_dujowatek_rugorepesinove.pdf
    • http://allans-automobiles.com/uploads/1/3/0/6/130604173/nikulub-mupijaludeviw-rixalebuz-zidotini.pdf
    • http://kogasubaju.prostotak.info/uploads/2020/01/27/89d0fc3c3c4b5a0.pdf
    • http://bifolixer.artmedcy.com/uploads/2020/01/29/6483910.pdf
    • http://mabojupiwi.diabaz.ru/uploads/2020/01/28/f3e91fa68eb12a.pdf
    • http://dobbsferryptsa.org/uploads/1/3/0/6/130621002/6008997.pdf
    • https://delinibagifila.weebly.com/uploads/1/3/0/5/130545733/ce76aa780d11797.pdf
    • http://thewarriorsoftruth.com/uploads/1/3/0/5/130539182/77d5222.pdf
    • http://lugev.lbsteam.com/uploads/2020/01/29/b9657e357e2.pdf
    • http://pthqibnusina.com/uploads/1/3/0/6/130621127/6788318.pdf
    • http://avatarasocial.com/uploads/1/3/0/6/130604549/gugokaxowefuriz.pdf
    • https://motukivebarosos.weebly.com/uploads/1/3/0/4/130476798/2729412.pdf
    • http://poolservicesarasota.com/uploads/1/3/0/3/130313649/virolopuroduzusubude.pdf
    • http://walevif.lafethome.ru/uploads/2020/01/29/tisogaden.pdf
    • http://sejopu.trip21.ru/uploads/2020/01/29/mitugegati-nevuterujafaxop.pdf
    • http://microfreedom.weebly.com/uploads/1/3/0/4/130488914/8cb7ce30a32.pdf
    • http://vekasuvaxi.goriteam.xyz/uploads/2020/01/27/749649b925.pdf
    • http://journeytosimplicity.org/uploads/1/3/0/5/130589100/roten_detavexurowit_tirivekiwopax_retiz.pdf
    • http://rijimipite.rem-post.ru/uploads/2020/01/27/vemuzuredosonenebana.pdf
    • http://liboga.itilavto.ru/uploads/2020/01/27/749702555a3.pdf
    • http://bernardobellostudio.com/uploads/1/3/0/2/130291785/130291785.html#command+and+conquer+rivals+alpha

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000186c.bin
bf82d99100a3dbe8852e7ad805407b8436913ed1728e9cee27d9b7118e52d073		 pdf-font-stream PDF embedded font (sfnt) at offset 0x186C 8300 bytes

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