Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ba85508cb0fa3b7…

MALICIOUS

PDF

38.1 KB Created: 2020-04-15 15:33:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 68b8dd9bd5bbdbc7caf97f9e720ac638 SHA-1: f561899566264055cb98960726aaaa94d875e538 SHA-256: 1ba85508cb0fa3b7de19bedbec3d13da2a9fb9e4e7481c0e287932d3f05f1787
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. One of the embedded URLs is http://shamelesspourspod.com/uploads/1/3/1/6/131607331/131607331.html#vidmate+er+old+version. This suggests the document is designed to redirect users to potentially malicious or unwanted content, possibly for SEO spam or to distribute further malware. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://shamelesspourspod.com/uploads/1/3/1/6/131607331/131607331.html#vidmate+er+old+version
    • http://pennypapaya.com/uploads/1/3/0/2/130288383/xonitulezadupu_mixuvibuto_zirimikemomabak.pdf
    • http://paardentaxioverijssel.com/uploads/1/3/0/6/130639959/miforaxitixomurobof.pdf
    • http://scmfevents.org/uploads/1/3/0/6/130605412/sagazoxazominefuxize.pdf
    • http://plummerpowermowershop.com/uploads/1/3/1/3/131383949/f07bb83956.pdf
    • http://cityofoaksintegrative.com/uploads/1/3/0/9/130969114/dojepowo.pdf
    • http://730yt.com/uploads/1/3/0/7/130776219/57cede730b.pdf
    • http://sandrawimbish.org/uploads/1/3/0/8/130874260/vadumefelumu_kilujis_liwudoguluwipu.pdf
    • http://sunnysidesoap.com/uploads/1/3/0/5/130541623/5941399.pdf
    • http://beautyonbeat.com/uploads/1/3/0/4/130483248/3896823.pdf
    • http://getyourphill.com/uploads/1/3/0/8/130814115/deritubafiwix_tipaki.pdf
    • http://civicmic.org/uploads/1/3/0/4/130476396/988bf.pdf
    • http://sarahdenisart.com/uploads/1/3/0/5/130544132/duzuzipupo.pdf
    • http://a-pod.net/uploads/1/3/0/4/130435807/8333691.pdf
    • http://commonwealthcouncil.org/uploads/1/3/0/5/130588858/7b355fb4de.pdf
    • http://plummerpowermowershop.com/uploads/1/3/1/3/131383949/f07bb8395
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000648a.bin
2cd7c8d92d4fa592714b10fd1454ade64aff3ff48478004ebea4e00d180b3a82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x648A 7736 bytes
font_01_sfnt_off000082c0.bin
7466f12abaaa7f3061b2eee0fbea2aff938e674d3fe107531bc2e00f9f0dfbcf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82C0 2600 bytes

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