Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b757ac9b06cdd14…

MALICIOUS

PDF

38.3 KB Created: 2020-05-13 21:53:49 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2020-09-04
MD5: af8bda524a842048fc1af9a24867cee3 SHA-1: 0e8859deae3677531b19c1a1a60598a9dfcf853d SHA-256: 8b757ac9b06cdd140f13bab9f96f87b08cc3565d54534666638f29ea05859fd3
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a link farm. The primary URL http://cequime.com/uploads/1/3/0/5/130540026/130540026.html#indian+action+movies+3gp suggests a lure related to media content. The heuristic PDF_SEO_LINK_FARM indicates a deliberate attempt to create a large number of links, likely to manipulate search engine results or distribute malicious content through a network of compromised sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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
  • 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://cequime.com/uploads/1/3/0/5/130540026/130540026.html#indian+action+movies+3gp PDF link annotation
    • http://bethbongar.com/uploads/1/3/0/4/130476050/kanod_xajewu_wadidifinojabo_nodutimapedod.pdfIn PDF document text
    • http://657maidmarion.com/uploads/1/3/0/4/130435631/nudedar-vaxepokiweluvir.pdfIn PDF document text
    • http://divine-investment.com/uploads/1/3/0/5/130550911/vujoda.pdfIn PDF document text
    • http://iraqadvisorygroup.com/uploads/1/3/0/7/130739740/jopezuvotav-totumux-digefape.pdfIn PDF document text
    • http://artbyjonmcgaa.com/uploads/1/3/0/4/130476505/45775085.pdfIn PDF document text
    • http://best-rw.com/uploads/1/3/0/8/130815059/kodegona-vulitarorijuv-fusinogumege.pdfIn PDF document text
    • http://docbwell.com/uploads/1/3/0/8/130874114/giditofejo.pdfIn PDF document text
    • http://simonleebooks.com/uploads/1/3/0/9/130969934/resavoxe.pdfIn PDF document text
    • http://waterloomoradafire.com/uploads/1/3/1/4/131453259/lulijuzelovi_xesuwube.pdfIn PDF document text
    • http://selvamayatulum.com/uploads/1/3/1/4/131453817/sumabefapakowisuf.pdfIn PDF document text
    • http://littlefristonlodge.com/uploads/1/3/1/8/131856022/5171977.pdfIn PDF document text
    • http://unsurvey.com/uploads/1/3/0/5/130551299/d0e47.pdfIn PDF document text
    • http://hiddenhistorypublishers.com/uploads/1/3/0/6/130620290/jiporifuk.pdfIn PDF document text
    • http://tcm-filter.com/uploads/1/3/1/4/131453969/4023382.pdfIn PDF document text
    • http://matthewplotkin.com/uploads/1/3/0/6/130604539/junakesefil_pakun_vobeberasesub_mokebixupa.pdfIn PDF document text
    • http://bixbykidsforchrist.org/uploads/1/3/1/8/131856176/636323.pdfIn PDF document text
    • http://censeocomputing.com/uploads/1/3/0/5/130550910/delofowipor.pdfIn PDF document text
    • http://volunteerarmamentdepot.com/uploads/1/3/1/8/131856771/zefideponuda.pdfIn PDF document text
    • http://andrewmiesse.com/uploads/1/3/0/8/130813030/8752302.pdfIn PDF document text
    • http://notredamegirls67.com/uploads/1/3/0/7/130739039/d58d190b5d.pdfIn PDF document text
    • http://yourfuturestartsathome.com/uploads/1/3/0/3/130313411/1613513.pdfIn PDF document text
    • http://cbdbyginamarie.com/uploads/1/3/1/6/131606694/gejetogenovawadeva.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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b57.bin
1352fe4c4c6017441a8e1ddb53541ec7072670083dd000263c995d9a0858f32b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B57 10024 bytes

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