Malicious PDF — malware analysis report

Static analysis result for SHA-256 a288f16ca5c7abe7…

MALICIOUS

PDF

32.0 KB Created: 2020-05-15 15:20:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 507e484100962d3ad081564c2b41b319 SHA-1: 08819961d7355ec74a4b9464d3dda35d452c8ff2 SHA-256: a288f16ca5c7abe7eaef0813244da90e4e41da46e7716589d7e7c25d855b0950
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, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection scheme. The document body contains garbled text and a single URL that appears to be part of the link farm. 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://hybridmartialarts.org/uploads/1/3/0/8/130813762/130813762.html#bestwap+marathi+song++2018
    • http://mirrormirrormx.com/uploads/1/3/0/5/130590608/8887541.pdf
    • http://croqueshop.com/uploads/1/3/1/1/131163858/8faa5f94bb4.pdf
    • http://brlandscapingservicellc.com/uploads/1/3/0/5/130588393/6149630.pdf
    • http://bridgnorthwalkingclub.org/uploads/1/3/1/3/131379268/kiwofikomix.pdf
    • http://drewpersonnel.com/uploads/1/3/0/4/130475981/xepowarovog.pdf
    • http://coralgablescrimewatch.org/uploads/1/3/0/6/130621153/wexavu-dijovivejobobim.pdf
    • http://soapymoon.com/uploads/1/3/0/5/130589103/garopiwuga.pdf
    • http://peoplelovegossip.com/uploads/1/3/0/5/130551112/diwinak_gekabas.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_off00005377.bin
f1eb67bbc192c43f9c6f000c0dcba2838d2ecb55a5be0e942751b33836fcef66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5377 9940 bytes

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