Malicious PDF — malware analysis report

Static analysis result for SHA-256 1346a18e274b4abb…

MALICIOUS

PDF

45.7 KB Created: 2020-05-16 19:08:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f14b2103656985eabf60d95f4d70a9e0 SHA-1: c2a0ffe5f055141d107dcc358aac57123679b489 SHA-256: 1346a18e274b4abb69182956978eca371342569ec2b35f2cc766c9ff0ce2992e
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. The document body, though heavily obfuscated, also contains URLs that are likely part of this link farm. This suggests the primary purpose is to direct users to a large number of external sites, potentially for SEO manipulation or to host malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://harmonyeventplanning.com/uploads/1/3/0/7/130775080/130775080.html#easy+speaking+english+video+free
    • http://carnewhandypro.com/uploads/1/3/0/6/130620584/wawakopifanu.pdf
    • http://phillips-wedding-2019.com/uploads/1/3/0/5/130588277/707a2da1e.pdf
    • http://jsraystanningsalon.com/uploads/1/3/0/5/130550956/vibitekebawer.pdf
    • http://entreprovestorsinc.com/uploads/1/3/0/7/130775921/7034668.pdf
    • http://bohofarmstand.com/uploads/1/3/1/4/131438294/jimejo.pdf
    • http://kaarsenmakerijvet.com/uploads/1/3/0/5/130543453/nenovogi_susamedifana_wenumigepalomu.pdf
    • http://due2u.org/uploads/1/3/0/5/130552097/2815065.pdf
    • http://elisamurphyforjudge.com/uploads/1/3/0/6/130621208/876c3f7af82f726.pdf
    • http://bossladywithavision.com/uploads/1/3/0/3/130313536/43bc7c308.pdf
    • http://bigdsuperfoods.com/uploads/1/3/0/9/130969190/987177.pdf
    • http://belviderebucsboostercub.org/uploads/1/3/1/8/131856034/budevibobunadode.pdf
    • http://tokped.services/uploads/1/3/0/5/130539074/manotulik.pdf
    • http://alleykatcreations.com/uploads/1/3/0/6/130621093/4875945.pdf
    • http://outpostsecurity.com/uploads/1/3/0/2/130272909/7515070.pdf
    • http://topdollar4junk.com/uploads/1/3/0/6/130605338/dedezalijej.pdf
    • http://fruitoidllc.com/uploads/1/3/1/4/131452815/25912c27e694e4.pdf
    • http://kellysmithpottery.com/uploads/1/3/0/7/130739816/domozipolenuwavavodi.pdf
    • http://themyxx.net/uploads/1/3/0/2/130288753/6956123.pdf
    • http://albertashirtco.com/uploads/1/3/0/7/130776745/woruwikawi.pdf
    • http://monk3yandme.com/uploads/1/3/0/2/130272906/mikozilun.pdf
    • http://shopginaandjason.com/uploads/1/3/0/4/130436020/kewitukakagujava.pdf
    • http://roldanecheverria.com/uploads/1/3/0/4/130488698/51ced88ca2ace2.pdf
    • http://howlingdog.ca/uploads/1/3/1/3/131384185/pozebixakapowuw_xodatijebodi_vadafugujapeki.pdf
    • http://beerloves.me/uploads/1/3/0/3/130313445/bovud_panizemeb_gaxagaduwuvin_dozezudupumo.pdf
    • http://davenaaron.com/uploads/1/3/0/5/130588295/pizutavaki.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_off00008736.bin
dd81a1de1d5fa2d451496cbb068dc233a864d7b1b06378fd675f748799218e6b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8736 10384 bytes

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