Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8d5aa0f13725d3e…

MALICIOUS

PDF

41.7 KB Created: 2020-03-14 23:09:08 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 93424e4e006fd515f77e00364b1b1e9d SHA-1: ecfec97a62f9e52167e08c5b25574220328d4607 SHA-256: a8d5aa0f13725d3e39fef8cd69dc9bb1ac7797004bf99d6702d1f2c63c1bb908
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, identified by the PDF_SEO_LINK_FARM heuristic. The document body contains text that appears to be metadata and some of the extracted URLs, suggesting a lure to external content. The primary intent appears to be directing users to a network of websites, likely for malicious purposes such as hosting further malware or phishing content.

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://dg3hu8.salon225.com/uploads/1/3/0/4/130483194/130483194.html#video+from+link+android+studio
    • http://www.ferhumali.com/uploads/1/3/0/3/130313148/bunidevis_pajasixej_wogubu.pdf
    • http://elementaldexterity.com/uploads/1/3/0/6/130639665/pafilapibavi-letidutiregudaf.pdf
    • http://birchtreelegalinc.com/uploads/1/3/0/7/130738933/077fe4cdf.pdf
    • http://brightnaidu.com/uploads/1/3/0/5/130550901/44f7c351298.pdf
    • http://jiazhouyulechenghuodongtuijian.br3h.com/uploads/1/3/0/5/130551067/mapudukekalu-golujomibepi-weremoj-jikup.pdf
    • http://themastershopper.com/uploads/1/3/0/4/130436137/warubafabomovu.pdf
    • http://doublekdorpersheepranch.com/uploads/1/3/0/7/130775014/c2a95a590c3a7fd.pdf
    • http://www.cms.ken-lab.com/uploads/1/3/0/6/130640047/xoreponaxagi_fesumorajowema.pdf
    • http://webdisk.forestcitycremation.com/uploads/1/3/0/2/130287881/623f39.pdf
    • http://hostmaster.gyrotonichawaiiisland.com/uploads/1/3/0/5/130550736/pamuro_zububet_pamunokaj_najuwigo.pdf
    • http://jaomarketing.com/uploads/1/3/0/5/130590133/92159c2df4.pdf
    • http://interstatefive.net/uploads/1/3/0/5/130544734/legovemeb-gajuxefona.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_off00007965.bin
ea902f8be2ee84e5aa7316b1f1745039fb7ca654ae2c2e045798b20aa07a8846		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7965 8452 bytes

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