Malicious PDF — malware analysis report

Static analysis result for SHA-256 31ae4fb0b7248220…

MALICIOUS

PDF

42.7 KB Created: 2020-03-29 22:11:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 75bc5c6dd4d7e77e150cfa3944943a01 SHA-1: e0db96cd60a9777e82c68aac107e6486be7e6ca2 SHA-256: 31ae4fb0b724822056b66539136f8843150fa2c6a1dd91741c5e6aba6ed20a16
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links to various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. The embedded document body also contains a URL, suggesting a lure to external content. The primary purpose appears to be SEO manipulation or distributing further malicious content via these numerous links.

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://gomriz.com/uploads/1/3/0/2/130270823/130270823.html#pelonis+radiator+heater+ho-0221
    • http://olympiaindivisible.com/uploads/1/3/0/2/130272070/gewozakinunawixo.pdf
    • http://h2020-saphir.eu/uploads/1/3/0/4/130476114/joperiruwejijakixama.pdf
    • http://growingupgibbons.com/uploads/1/3/0/4/130483961/9920373.pdf
    • http://4thoughtpsychology.com/uploads/1/3/0/5/130542831/2165446.pdf
    • http://najlogo.co.uk/uploads/1/3/0/5/130538870/denixatazixax_gamakisibu_mumanaf.pdf
    • http://paintingbyjanie.com/uploads/1/3/0/4/130483507/zevobinas.pdf
    • http://jemstreats.net/uploads/1/3/0/8/130874424/ferixuterul.pdf
    • http://clevelandrelationshiptherapy.com/uploads/1/3/0/5/130544625/4751446.pdf
    • http://grandrapidslasercenter.com/uploads/1/3/0/4/130476033/gajigewu_tunedozawem.pdf
    • http://evangelyn.studio/uploads/1/3/0/6/130604561/7cb6846e8.pdf
    • http://mybesoft.org/uploads/1/3/0/7/130740566/646505.pdf
    • http://fleurboheme.com/uploads/1/3/0/3/130313037/7bc48a8.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_off00007c1b.bin
2b94c1259c6f6fbf2ef83f0f321a6e2061932fb05204b8fbc227aee26528067e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C1B 8408 bytes

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