Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2aff37e564590cb…

MALICIOUS

PDF

43.8 KB Created: 2020-04-02 06:02:32 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8b3e7661ff26ea4892ec282c4519e593 SHA-1: b88e071d1e299ace74004c21ff29742198221ae1 SHA-256: e2aff37e564590cb0b1d6a7d8bc228b61a1752dee9810aeb6531115678e710db
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links pointing to PDF documents hosted on various domains. This behavior is indicative of a link farm or SEO manipulation tactic, potentially used to distribute malicious content or improve search engine rankings for malicious sites. No scripts were extracted, and the document body is largely unreadable, so the primary indicators are the numerous embedded URLs.

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://andmerchant.org/uploads/1/3/0/6/130620619/130620619.html#what+type+of+scale+does+a+topographic+map+use
    • http://partnerwell.com/uploads/1/3/0/6/130639811/5267396.pdf
    • http://hostmaster.rooshensen.nl/uploads/1/3/1/3/131383284/dizojin.pdf
    • http://fityourmeals.com/uploads/1/3/0/3/130313632/tetexazelekugezowe.pdf
    • http://drivingcommunication.net/uploads/1/3/0/6/130605204/1839040.pdf
    • http://mbcouriers.net/uploads/1/3/0/9/130969048/3733970.pdf
    • http://claritysagewellness.ca/uploads/1/3/0/6/130621803/9964820.pdf
    • http://guruagents.com/uploads/1/3/0/8/130813787/b6d96eb.pdf
    • http://nycartsed.com/uploads/1/3/0/4/130483385/dulimoxanogefa.pdf
    • http://cageymooncompany.com/uploads/1/3/1/0/131070306/be5550501d68.pdf
    • http://ooakco.com/uploads/1/3/0/7/130740521/zetusitez-zovabejunik-nasesutitu.pdf
    • http://bsocialwebsitedraft.org/uploads/1/3/0/8/130813782/f7ad3f.pdf
    • http://g5livestockllc.com/uploads/1/3/0/5/130544243/gexib.pdf
    • http://fundforpublicadvocacy.org/uploads/1/3/0/2/130291365/vavakivokubewake.pdf
    • http://9lazykidz.net/uploads/1/3/0/8/130874237/raronet.pdf
    • http://pisteciclabili.net/uploads/1/3/1/4/131406270/1635825.pdf
    • http://cleardirectionmb.com/uploads/1/3/0/7/130775474/zugog.pdf
    • http://safedesignsolutions.com/uploads/1/3/0/6/130621127/petapi.pdf
    • http://thirdeyeuniversity.com/uploads/1/3/0/7/130775466/32619d1c302.pdf
    • http://avdeco.be/uploads/1/3/0/2/130291874/zidizuj.pdf
    • http://sendmepowersports.com/uploads/1/3/1/3/131381433/dipijupuzivufegas.pdf
    • http://frommoortoshore.com/uploads/1/3/0/7/130776204/bebedafagigim_nawavexelo_labirasugo.pdf
    • http://theschoolstead.com/uploads/1/3/0/8/130874523/9909870.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_off000081e7.bin
23044dd6cc9aaba228e0e98776c8986fc4301555e941256fd8e698add3dba6a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81E7 8156 bytes

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