Malicious PDF — malware analysis report

Static analysis result for SHA-256 c850200e52ede000…

MALICIOUS

PDF

35.7 KB Created: 2020-05-22 10:55:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-09-07
MD5: 72a540870c5eba3dc88accec5df0c9ea SHA-1: b07572fc4b2fc202a9cfdf27437acc3de0418aac SHA-256: c850200e52ede0007ce09bce3b4634b377e642322eb66cd001bc545715ab1c18
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body also contains a lure related to 'new release pakistani movies 2019 download hd', suggesting a deceptive content delivery mechanism. The primary attack pattern involves redirecting users to a vast network of linked PDF documents hosted on various domains, likely for SEO spam or to distribute further malicious content.

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://roadshowarchitects.com/uploads/1/3/1/3/131379832/131379832.html#new+release+pakistani+movies+2019+download+hd PDF link annotation
    • http://linguapatria.com/uploads/1/3/0/4/130483194/3465122.pdfIn PDF document text
    • http://onboardnow.us/uploads/1/3/0/9/130969722/327163.pdfIn PDF document text
    • http://mountvistapersians.com/uploads/1/3/1/4/131453464/tukomikakuv.pdfIn PDF document text
    • http://boulevardcellars.com/uploads/1/3/0/6/130621382/guvufejimune-pizivuxebozisum-gukumumaxex.pdfIn PDF document text
    • http://shoppedit.com/uploads/1/3/0/5/130551714/98a2c.pdfIn PDF document text
    • http://bigsandymontana.com/uploads/1/3/0/6/130639885/mowukuz.pdfIn PDF document text
    • http://animalstuff.net/uploads/1/3/0/4/130483393/sojaxudamas_besijowawivor_vugamowekuzazi.pdfIn PDF document text
    • http://larucciinformation.com/uploads/1/3/0/6/130604543/vepanezaj.pdfIn PDF document text
    • http://innegocios.net/uploads/1/3/0/6/130640179/samalulisuwim_sodusekade_munetizunazaram.pdfIn PDF document text
    • http://drgordonwhitbeck.com/uploads/1/3/1/8/131872017/3e6fdf.pdfIn PDF document text
    • http://edgelawnandlandsapes.com/uploads/1/3/0/4/130435746/01c676d4e.pdfIn PDF document text
    • http://tiffanythetherapist.com/uploads/1/3/0/2/130272648/3688219.pdfIn PDF document text
    • http://twonineteennaturals.com/uploads/1/3/0/6/130621583/7d2ec79d.pdfIn PDF document text
    • http://ambroseuatomotive.com/uploads/1/3/0/3/130323622/15ed80d693ac.pdfIn PDF document text
    • http://manvelchoir.com/uploads/1/3/0/6/130604338/7028131.pdfIn PDF document text
    • http://dsn-122.com/uploads/1/3/0/5/130589202/2a088ce7a57e36.pdfIn PDF document text
    • http://jamesbrown4judge.com/uploads/1/3/1/8/131856746/furabugujemepor_viwasirosop_pinofeku_makizajajes.pdfIn PDF document text
    • http://coolerrealestate.net/uploads/1/3/0/8/130813762/a30ad0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

Related samples 5

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_off00006037.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6037 10148 bytes
SHA-256: 8b571eb6ee646513d5bb1f70ffcb98b0dd2dc45fa67720a6a3b98ad094add333

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