Malicious PDF — malware analysis report

Static analysis result for SHA-256 c18ea987b2608405…

MALICIOUS

PDF

41.4 KB Created: 2020-03-29 09:28:36 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 49b53e5d3a2e0a32d95604a513f72536 SHA-1: f44c79e720cc6ca8f81b3ea1f9d00e8a482fe104 SHA-256: c18ea987b260840567a1d850bb8d0d918a70e0a29d91b7a3367f1f690df671b2
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text and extracted URLs suggest a lure related to job opportunities or general content, directing users to numerous domains. The primary function appears to be link farming, potentially to manipulate search engine results or redirect users to malicious content hosted on these external 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://thebreakuppodcast.com/uploads/1/3/0/2/130270843/130270843.html#bolsa+de+trabajo+comedor+industrial+garcia
    • http://gapah.com/uploads/1/3/0/3/130313440/nokumokawa_kejerali_vezegodaleman.pdf
    • http://get-plugged-inn.com/uploads/1/3/0/6/130640208/2075047.pdf
    • http://adsl-208-190-128-198.atcoflex.com/uploads/1/3/0/3/130313453/tokuguso.pdf
    • http://hostmaster.servalproposition.com/uploads/1/3/0/8/130814104/didebojinat.pdf
    • http://concordantcapitalpropertymanagement.com/uploads/1/3/0/6/130604048/zurusubexubi.pdf
    • http://vipclublasvegas.com/uploads/1/3/0/5/130543074/jawodonumita_rolidajepej_bakotofafitokek_jovisogetevule.pdf
    • http://www.theleadswrangler.com/uploads/1/3/0/3/130323415/neganak.pdf
    • http://autodiscover.hairfarmsalon.com/uploads/1/3/0/6/130620327/sozogaxu_femumovidanufiw_zilaf.pdf
    • http://timtim.cc/uploads/1/3/0/6/130604766/7a53cd1ad3.pdf
    • http://murrietasurfb04.com/uploads/1/3/0/7/130740450/nimobu.pdf
    • http://theproblemsolversnc.com/uploads/1/3/0/2/130287495/2327939.pdf
    • http://tilitoimistoanjasimola.com/uploads/1/3/0/6/130604145/ef2362650c1b6.pdf
    • http://daviddahlbeck.com/uploads/1/3/0/3/130379293/woxatozozokarugolil.pdf
    • http://virgolashes.net/uploads/1/3/0/6/130620267/ea8da4.pdf
    • http://the-tig.com/uploads/1/3/0/7/130775357/tafedunasopi.pdf
    • http://ip119-colo.mnemonix.com/uploads/1/3/0/6/130604723/5211327.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_off000075db.bin
fb4720344bcabf45afd30699178854e130279befdf6c05ee4445055ceb194e23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75DB 9308 bytes

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