Malicious PDF — malware analysis report

Static analysis result for SHA-256 7abe9a46efa92769…

MALICIOUS

PDF

35.8 KB Created: 2020-05-22 17:03:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 994965a8d8328d429b8229523d063439 SHA-1: 9dce9781cbd99507b708131cfac4b7d3bb1a4cc4 SHA-256: 7abe9a46efa92769d6a5558f558bd3146b0999e537020e5c0897a9bd905d39fb
96 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution mechanism for further malicious content. The ML classifier also strongly indicated maliciousness. While no scripts were directly extracted, the structure and numerous external URLs are indicative of a malicious intent, likely related to SEO manipulation or phishing lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://bethtaylormadetravel.voyagerwebsites.com/uploads/1/3/1/4/131437454/131437454.html#de+espana+foods
    • http://vistaserena.com/uploads/1/3/1/3/131383838/kisesiwinug.pdf
    • http://reelme-biz.joegutowski.com/uploads/1/3/0/4/130478307/milotesuvubipera.pdf
    • http://powerwheelpartiesnw.com/uploads/1/3/1/1/131164257/1751240.pdf
    • http://celebrationcatering.net/uploads/1/3/1/3/131379641/vunez.pdf
    • http://techinfoideas.com/uploads/1/3/0/9/130969062/xopubem.pdf
    • http://promiseofhopeug.com/uploads/1/3/1/4/131483155/9991256.pdf
    • http://webdisk.heroesasylum.com/uploads/1/3/0/6/130639656/jubijamiluz_fiwizuge.pdf
    • http://rcfdesigns.com/uploads/1/3/1/4/131438471/kanumisis_nozesigupeba.pdf
    • http://rouge-garance.com/uploads/1/3/0/8/130874504/3bfcc07.pdf
    • http://insurancewestblog.com/uploads/1/3/1/4/131453397/bexikowase_dedug_fugorusalu_dafigobagetev.pdf
    • http://hjpphotography.com/uploads/1/3/0/2/130288401/4592947.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006078.bin
27bef6041511a6775102d8f46236e2cc3751f36887a119e3a6a4998ec66717b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6078 10756 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.