Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d9422d093bcc307…

MALICIOUS

PDF

33.5 KB Created: 2020-03-29 01:57:53 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8da8364f4dbe0c43879bce87453e46e9 SHA-1: e7ba92c30483f99bec2872352e028209afad435c SHA-256: 8d9422d093bcc30779f05a85efeb08115968925255268c236fce4e0cdbb0b4c7
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 as a 'PDF_SEO_LINK_FARM' heuristic. These links point to various PDF files hosted on different domains, suggesting a tactic to manipulate search engine results or distribute further malicious content. The embedded URL also points to a similar structure. 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://hotelvic-phase2-ko.devsite-1.com/uploads/1/3/0/6/130639628/130639628.html#peavey+xr600c+series+400+bh
    • http://winterwide.com/uploads/1/3/0/4/130435596/8133684.pdf
    • http://jwhammond.com/uploads/1/3/0/9/130969198/muzovuvisokaxe.pdf
    • http://www.projectascc.co.uk/uploads/1/3/0/8/130874354/2703453.pdf
    • http://anilkonkimalla.com/uploads/1/3/0/2/130291588/8587862.pdf
    • http://thisdeliberatelife.com/uploads/1/3/0/4/130436258/jafarirevijovunar.pdf
    • http://www.southardcharm.shop/uploads/1/3/0/5/130590458/6823917.pdf
    • http://vincentserna.com/uploads/1/3/0/8/130813366/5020802df5.pdf
    • http://rgbgrasstunes.com/uploads/1/3/0/6/130622063/jadedik_bewofusenen_kakuvafikar_gijodemekoka.pdf
    • http://yourmoviepal.com/uploads/1/3/0/8/130874511/b1dfb6473e1f4c1.pdf
    • http://siroccoconstructionremodelingcorp.com/uploads/1/3/0/4/130436180/wobivor.pdf
    • http://www.richmondgroup.org/uploads/1/3/0/2/130289658/kolufupusujapo.pdf
    • http://northshorelemonade.com/uploads/1/3/0/3/130313113/8375b6e01b2.pdf
    • http://drcrinnion.com/uploads/1/3/0/5/130541743/vekevupomuwevilekati.pdf
    • http://outfittedstyle.com/uploads/1/3/0/2/130270946/tevasonalibuzev-vedukisejaponi-nefuxixorile.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_off000059e1.bin
7f675a7980df6108e35aa84ccf9bb49226be4965a40c7607c116fa7fcd2ece60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59E1 8020 bytes

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