Malicious PDF — malware analysis report

Static analysis result for SHA-256 362660ad3fee89e3…

MALICIOUS

PDF

45.6 KB Created: 2020-03-11 09:32:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 554c2bfda84c1780a0e192a47a98a1f7 SHA-1: 1ffc7f8b969007586ceac82836c4f3ab6b1931cb SHA-256: 362660ad3fee89e3f06cf675755ab1bb12f7d318436c9a7ca6730681fc95e88d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Stage Capabilities: Obtain Information T1204 User Execution: Malicious Link

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains references to these URLs, suggesting a deliberate attempt to direct users to a network of linked content. The primary attack pattern appears to be SEO spam or a link farm designed to distribute further malicious content or lead users to phishing sites.

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://6248northionia.com/uploads/1/3/0/3/130323478/130323478.html#warhammer+40000+adeptus+titanicus+dominus
    • http://rhiannonlisettehenry.com/uploads/1/3/0/6/130604863/8786548.pdf
    • http://bluthirty2.com/uploads/1/3/0/2/130291416/supizalo-bijelonananidid-lunafitef.pdf
    • http://nationalbeachranking.com/uploads/1/3/0/3/130379287/3412556.pdf
    • http://serendipityjapan2015.com/uploads/1/3/0/4/130489933/didubaki.pdf
    • http://acts2035.online/uploads/1/3/0/5/130589094/9071363.pdf
    • http://myhypecheck.com/uploads/1/3/0/6/130603841/nuxinaw.pdf
    • http://precisionsprayfoam.net/uploads/1/3/0/6/130604287/mirag_jalonijofuzonut_zukeror_tirabeg.pdf
    • http://partymrred.com/uploads/1/3/0/6/130603945/738c3.pdf
    • http://cpanel.carolynforonda.com/uploads/1/3/0/6/130621772/gapog.pdf
    • http://thewestnewtonpizzahouse.com/uploads/1/3/0/3/130379514/xewuwibimenepivixena.pdf
    • http://ombrecraft.com/uploads/1/3/0/7/130739122/xababotezaja-zafidaziv-gikimukufamuk-vopibezolos.pdf
    • http://kotbabos.site/uploads/1/3/0/6/130620471/sinavuko_ranifulakadawob.pdf
    • http://stucampana.com/uploads/1/3/0/5/130551898/26dbcee.pdf
    • http://101onthe101.com/uploads/1/3/0/4/130477048/xonofojun.pdf
    • http://conneracup.com/uploads/1/3/0/9/130969446/tipagizamiz-gugat-fofelozekuse-makulasewafotu.pdf
    • http://nashvillerollingpins.com/uploads/1/3/0/4/130488451/3524857.pdf
    • http://www.hzysquad.com/uploads/1/3/0/6/130603728/nivabegowaxiso.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007458.bin
f81613dbb82e71d5608395fe53ac63d60c5ddf51e0628d72096d3d232df7a62b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7458 8308 bytes
font_01_sfnt_off00009437.bin
5a404bbf70b0f87decc494e98b5ad42eef96a04c43d6604bd013f9d8aeba82c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9437 16036 bytes

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