Malicious PDF — malware analysis report

Static analysis result for SHA-256 be47079c56942bb4…

MALICIOUS

PDF

28.9 KB Created: 2020-05-01 17:49:28 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5ab939db584e4f5b27a75dd7f3aeda03 SHA-1: 738b1492e070ff90db75bd0f80751589216a5509 SHA-256: be47079c56942bb4e73ad565c39578392918bfb606a6f961d442bda04cb07590
62 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, many of which are numerically or generically named PDF files hosted on various domains. The document body mentions 'Deliriant ps4 trophy guide', suggesting a lure to attract users to these external sites. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, likely for SEO manipulation or to host malicious content. No scripts were extracted from this sample.

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://sadiths.com/uploads/1/3/1/6/131606954/131606954.html#deliriant+ps4+trophy+guide
    • http://littlefootfoods.com/uploads/1/3/0/5/130588570/7696072.pdf
    • http://guidemehomefoundation.net/uploads/1/3/0/5/130590413/nonilipufe.pdf
    • http://vantagepointlife.com/uploads/1/3/0/6/130620594/9909023.pdf
    • http://primbb.com/uploads/1/3/1/3/131398224/4450063.pdf
    • http://fbcridersmiddleburg.com/uploads/1/3/0/5/130539846/4150349.pdf
    • http://neely.nyc/uploads/1/3/1/3/131383493/8604079.pdf
    • http://midaymarketing.org/uploads/1/3/0/6/130621431/nodiwosor_rirumura_tufajosot_dotexodure.pdf
    • http://kirthivelukumar.com/uploads/1/3/0/7/130776520/5841367.pdf
    • http://davinsplace.com/uploads/1/3/0/2/130288329/250875.pdf
    • http://thecreameryshop.com/uploads/1/3/0/6/130621309/vatibozexav.pdf
    • http://artappraisalcarolina.com/uploads/1/3/0/6/130621530/givati.pdf
    • http://chiefconsultinggroup.com/uploads/1/3/0/2/130271113/luvolaxilip.pdf
    • 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/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000049ae.bin
7993dca056639552f14bd0e3d1d319d5b8454994bc63951a9702b23b0605a5e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49AE 7712 bytes

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