Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc1e842a9d44da65…

MALICIOUS

PDF

49.9 KB Created: 2020-03-23 15:28:27 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 410c448d01d7221cccf1614a89912e3d SHA-1: 10a5abf5f8ff34efd7987d50cf0217ea013dc781 SHA-256: fc1e842a9d44da6532dd75186db5655ea4dc7076331baf29be30598328b2a377
96 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The primary purpose appears to be to distribute traffic to a multitude of potentially malicious or spam-related websites. No scripts were extracted, and the document body is largely unreadable binary data, making it difficult to ascertain a more specific attack pattern beyond link 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://lucaffebolivia.com/uploads/1/3/0/5/130544725/130544725.html#que+son+las+mezclas+para+ni%C3%B1os+de+primaria PDF link annotation
    • http://greshambankruptcylawyer.com/uploads/1/3/0/5/130588880/sosuti-pawom.pdfIn PDF document text
    • http://vividcoating.net/uploads/1/3/0/2/130291545/sadoravegovozefeta.pdfIn PDF document text
    • http://foresttherapymelbourne.com/uploads/1/3/0/6/130604287/bonulagulol.pdfIn PDF document text
    • http://tribelle.ca/uploads/1/3/0/2/130289218/buwalat.pdfIn PDF document text
    • http://goingreenersoap.net/uploads/1/3/0/6/130605358/aa2da.pdfIn PDF document text
    • http://mydetailguyinc.com/uploads/1/3/0/2/130287419/3477222.pdfIn PDF document text
    • http://tristanprettyman.net/uploads/1/3/0/7/130738912/makagowutepurid.pdfIn PDF document text
    • http://westtexasgunsandammo.com/uploads/1/3/0/7/130775260/dexiza-pogarekevajobe-fofadafenegog.pdfIn PDF document text
    • http://constructionvideo.net/uploads/1/3/0/2/130289211/mivovo.pdfIn PDF document text
    • http://lcb-link.com/uploads/1/3/0/5/130589057/95b6a9ee6c.pdfIn PDF document text
    • http://axotaxos.com/uploads/1/3/0/6/130604150/napasugixo_didejivar_nujikog.pdfIn PDF document text
    • http://www.microteleaglepass.com/uploads/1/3/0/7/130740027/c7072a8b927f0.pdfIn PDF document text
    • http://rightofwaysolutionsllc.com/uploads/1/3/0/7/130740210/3ee1e4a59a.pdfIn PDF document text
    • http://minocquasurf.com/uploads/1/3/0/5/130550738/28b7bca32fc56bc.pdfIn PDF document text
    • http://tigerlilyyoga.com/uploads/1/3/0/2/130272352/jebafetazu.pdfIn PDF document text
    • http://rachaelschafergallery.club/uploads/1/3/0/2/130288380/mimukopumaduz.pdfIn PDF document text
    • http://www.blueware.co.uk/uploads/1/3/0/7/130775539/832a90b60.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000082a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82A0 8868 bytes
SHA-256: 19a60acfb5250a40b6b684fe8544d5ebc9b97a0b72657d96b05dd91718d51695
font_01_sfnt_off0000a2ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA2EE 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63