Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2148993368bc628…

MALICIOUS

PDF

17.6 KB Created: 2020-04-02 05:41:55 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: dc320d55a50224f04000836e23d86706 SHA-1: 0228e97e42c9488130dda5e29c6d6c2342bf294e SHA-256: d2148993368bc62888b4e5ac0bd29ccf95c5873f620c5c67de6c2527b4ff18e0
112 Risk Score

Malware Insights

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

The PDF is identified as malicious by an ML classifier and exhibits characteristics of a phishing lure, including an image-only design and an embedded action trigger. The document body contains text suggesting a lure for 'Prezi software free download for mac', which is likely a pretext to direct users to malicious URLs. The sample contains a large number of external links, many of which are dynamically generated SEO-style links, indicating a potential link farm for distributing malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 17 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://elranchitocomida.com/uploads/1/3/0/7/130776279/130776279.html#prezi+software+free+download+for+mac
    • http://utpgroupservices.com/uploads/1/3/1/4/131453747/libazuwipuko-rarivegame-watev.pdf
    • http://lincaprimanor.com/uploads/1/3/0/8/130813146/1862816.pdf
    • http://laurafrasca.net/uploads/1/3/0/5/130551832/fomodadatu.pdf
    • http://nnoodl.com/uploads/1/3/0/6/130622027/xuvanokawude_zimomag.pdf
    • http://darkestsidesilver.com/uploads/1/3/0/7/130775827/8633972.pdf
    • http://carlamorrow.com/uploads/1/3/0/5/130540661/werilir-xavabepupafu-penivifunaxap.pdf
    • http://kissandrosie.com/uploads/1/3/0/5/130551708/fitexidimitevosu.pdf
    • http://walkersclass.com/uploads/1/3/0/5/130589229/7038478.pdf
    • http://sanbenitorising.org/uploads/1/3/1/4/131408954/lawabig_getofekilivasat_sepusozawus_dekuzojapoxuz.pdf
    • http://uwoshkoshcanvasonline.org/uploads/1/3/0/2/130288599/5627974.pdf
    • http://ashhamptonshow.com/uploads/1/3/0/4/130483390/adddfb371c9cd.pdf
    • http://showdownsanmarcos.com/uploads/1/3/0/5/130588551/1672724.pdf
    • http://clothessaver.org/uploads/1/3/0/2/130270843/diviralikewusidugoge.pdf
    • http://downonthefarmchildcare.com/uploads/1/3/0/7/130776498/0f2af.pdf
    • http://aboutsh.com/uploads/1/3/0/6/130604589/abab002ce.pdf
    • http://chloecurtisxo88.com/upl

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