Malicious PDF — malware analysis report

Static analysis result for SHA-256 30ea475a98d36a39…

MALICIOUS

PDF

37.3 KB Created: 2020-04-10 08:57:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6d5a4828efea23a3756f571e7ab67e01 SHA-1: 73c83a954327d0b8336968ff30e29c2e6c98bdb8 SHA-256: 30ea475a98d36a39c2060d4e22adca2b3ae1cf962d07f741d3714e46ce709492
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text is largely unreadable, but the presence of numerous URLs suggests a link farm or SEO spam attack. The primary intent appears to be directing users to a wide array of external websites, potentially for malicious redirection or content hosting.

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://jodym.net/uploads/1/3/1/4/131438267/131438267.html#estructura+horizontal+de+ventas
    • http://totallykidsdaycare.org/uploads/1/3/0/6/130621055/34766c3631cf.pdf
    • http://juliakurnik.com/uploads/1/3/0/4/130488846/6925715.pdf
    • http://apartman-spindleruv-mlyn.com/uploads/1/3/0/2/130287548/lanere.pdf
    • http://andrzejciborski.com/uploads/1/3/1/4/131407051/wexetuxofobimapa.pdf
    • http://sirriusenergy.net/uploads/1/3/1/3/131384340/zalugenowi.pdf
    • http://vlfp.org/uploads/1/3/0/4/130476669/werudulevuva.pdf
    • http://b-roadmap.com/uploads/1/3/1/3/131382491/lemerapizunob-baletudaf-gagiwizobapoke-nixixuzuw.pdf
    • http://stedwardschoolchristmastreefundraiser.com/uploads/1/3/1/4/131406927/gorizoragofoniv.pdf
    • http://lornastyle.com/uploads/1/3/0/5/130545753/vifupudubuxibemakeg.pdf
    • http://ecotherapyspiritualcenter.com/uploads/1/3/1/4/131438059/5495453.pdf
    • http://conversational-spanish-for-adults.com/uploads/1/3/1/4/131406751/lulezu.pdf
    • http://capemayusa.com/uploads/1/3/0/6/130604230/1857950.pdf
    • http://foyeade.net/uploads/1/3/0/6/130603900/bejisixorenokegerilo.pdf
    • http://businessenglishspain.com/uploads/1/3/0/4/130476687/4477794.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_off00006885.bin
a4a6c484e63b8a953245d07bbc2f95e95fe46eb958e97df936b4b61b9be27717		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6885 8200 bytes

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