Malicious PDF — malware analysis report

Static analysis result for SHA-256 a291f1bc0c321f78…

MALICIOUS

PDF

22.1 KB Created: 2020-03-21 02:15:40 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-09
MD5: bea22dc31ca08bd0b2447c657b845e0d SHA-1: 0487c1554dd58e94059d8bb560792e9e1da0fd8e SHA-256: a291f1bc0c321f7888db5c639664541a833f751c39ee0217626a5de99e0df24f
94 Risk Score

Malware Insights

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

The PDF is an image-based lure, likely designed to trick users into clicking a link under the guise of 'Stephen King new books'. The document body contains obfuscated text and multiple embedded URLs pointing to other PDFs, suggesting a link farm or redirection scheme. The ML classifier strongly indicates malicious intent, and the PDF structure with an action trigger confirms a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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.
  • 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://dpapernow.com/uploads/1/3/0/5/130588999/130588999.html#stephen+king+new+books+barnes+noble PDF link annotation
    • http://vps4-boss.pleasingfood.com/uploads/1/3/0/7/130776110/gixobirabegip-donotovov.pdfIn PDF document text
    • http://www.kinginthemountain.com/uploads/1/3/0/3/130313400/rurodiwo_jewodajeba_duwosoris.pdfIn PDF document text
    • http://www.justsimplegraphics.com/uploads/1/3/0/4/130436482/8917361.pdfIn PDF document text
    • http://www.sannds.com/uploads/1/3/0/8/130814873/girukularewul.pdfIn PDF document text
    • http://screconcrete.com/uploads/1/3/0/3/130313426/2136591.pdfIn PDF document text
    • http://webmail.nofearlife.org/uploads/1/3/0/5/130546209/mukuzag.pdfIn PDF document text
    • http://pawsitivepetsittingoftruckee.com/uploads/1/3/0/8/130874154/tofofek_jixavo_bexodasivemom_jusobalenino.pdfIn PDF document text
    • http://federalretirementedu.org/uploads/1/3/0/3/130324119/75f2672e794ece0.pdfIn PDF document text
    • http://www.hamiltonanvil.com/uploads/1/3/0/5/130546574/busisa.pdfIn PDF document text
    • http://winkfashionandsalon.com/uploads/1/3/0/9/130969162/27aa8.pdfIn PDF document text
    • http://katharicleaningservicesllc.com/uploads/1/3/0/7/130775551/sizanigenimukenek.pdfIn PDF document text
    • http://pro2290.com/uploads/1/3/0/4/130489240/pugojaxopobevo-katagor-nevolu.pdfIn PDF document text
    • http://8rivers.net/uploads/1/3/0/7/130776416/274058.pdfIn PDF document text
    • http://ameliashop.net/uploads/1/3/0/5/130543383/6429323.pdfIn PDF document text
    • http://robertelsner.com/uploads/1/3/0/7/130776875/2176234.pdfIn PDF document text
    • http://appliancerepairworcesterma.com/uploads/1/3/0/8/130874156/8e800cf.pdfIn PDF document text
    • http://movingforwardtogethertoday.com/uploads/1/3/0/5/130544091/wufirekedibegus_ligafuxasaje_vinapomos.pdfIn PDF document text
    • http://denverpregnancy.support/uploads/1/3/0/5/130541137/259527.pdfIn PDF document text
    • http://marayiti.org/uploads/1/3/0/8/130874413/8edc8.pdfIn PDF document text
    • http://the-woodleigh-residences-bidadari.com/uploads/1/3/0/5/130589998/tudopopexodil-genojutalin-foliga-kofufuragadadu.pdfIn PDF document text
    • http://www.ryanrmohammed.com/uploads/1/3/0/6/130604238/sezigoragoxiba.pdfIn PDF document text
    • http://treasureoftheandes.com/uploads/1/3/0/2/130272505/voxewosakixejemu.pdfIn PDF document text
    • http://www.medievalmedicinals.com/uploads/1/3/0/9/130969526/cf46f.pdfIn PDF document text

Related samples 6

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