Malicious PDF — malware analysis report

Static analysis result for SHA-256 786f05eba157ef1d…

MALICIOUS

PDF

41.5 KB Created: 2020-03-29 07:29:33 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 43077db604e022b2194c6a025149cedd SHA-1: 7e6fa35eecbd046d73763d34571050bccb00f231 SHA-256: 786f05eba157ef1d3498fb0ac929a2fea19b7747ebae4f3cd1768c6589e7c816
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO spam campaign. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the presence of numerous external URLs points to a likely attempt to redirect users to malicious or deceptive content, potentially for phishing or malware distribution.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://webdisk.rodhillportraits.com/uploads/1/3/1/3/131384015/131384015.html#2004+scion+xa+owners+manual+pdf PDF link annotation
    • http://kaytujewelry.com/uploads/1/3/0/5/130589413/4216005.pdfIn PDF document text
    • http://petvetbelize.com/uploads/1/3/0/7/130739093/guduxiwepalivisag.pdfIn PDF document text
    • http://truittray.com/uploads/1/3/0/5/130547142/8762218.pdfIn PDF document text
    • http://ardmorevetservices.com/uploads/1/3/0/4/130479472/7b9bc4.pdfIn PDF document text
    • http://wickedladiesbeeco.com/uploads/1/3/0/7/130739243/pavupanubulufugovosa.pdfIn PDF document text
    • http://erial.com/uploads/1/3/1/1/131164486/pufemejunito.pdfIn PDF document text
    • http://fburgessllc.com/uploads/1/3/0/6/130605504/f575dbb0.pdfIn PDF document text
    • http://californiaspac.com/uploads/1/3/0/5/130541765/livaduv_jogunepom_zarelawi.pdfIn PDF document text
    • http://wakesurfsupply.com/uploads/1/3/0/6/130621597/00c793.pdfIn PDF document text
    • http://mrsphillipskindergarten.com/uploads/1/3/0/4/130435666/284560.pdfIn PDF document text
    • http://ziplyfe.com/uploads/1/3/0/3/130323641/nazir-gerijo.pdfIn PDF document text
    • http://kranz7science.com/uploads/1/3/0/2/130289755/giwobarugowigosolis.pdfIn PDF document text
    • http://glennbarrborderterriers.com/uploads/1/3/0/5/130588221/wanun-kifamebudibobo-tazopujubu-bateral.pdfIn PDF document text
    • http://oceanterraceirp.org/uploads/1/3/0/4/130490106/db82ef187c8edf9.pdfIn PDF document text
    • http://braemoreparkgroupptyltd.com/uploads/1/3/0/4/130489417/baguxegibi.pdfIn PDF document text
    • http://www.adey-8.com/uploads/1/3/0/7/130740173/besibudamogo-rokobikid-bepuvobi-wutulinoga.pdfIn PDF document text
    • http://comforteverlast.com/uploads/1/3/0/9/130969442/3723fdc6e9a.pdfIn PDF document text
    • http://seaofstonesgallery.com/uploads/1/3/1/0/131070527/7512adab.pdfIn PDF document text
    • http://www.mckinleysstation.com/uploads/1/3/0/4/130489898/wavipi_tajajujibidi_vigefasemaxos.pdfIn PDF document text
    • http://enerrgygroupuniversity.com/uploads/1/3/0/6/130604529/672779.pdfIn PDF document text
    • http://oahupix.com/uploads/1/3/0/6/130621689/desapozazevapa.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007895.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7895 8000 bytes
SHA-256: afa5eef03905f5836f02e857f80b904755c149721470fd8ceecb1baf33cc01d0

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