Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c1d3efc2a360142…

MALICIOUS

PDF

41.2 KB Created: 2020-03-27 13:24:53 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5cff9fb79e88aad9336ab13ed206fb90 SHA-1: 070afbde2b107e23d01f3d4fb75334a0d006b402 SHA-256: 7c1d3efc2a360142e566e6450612688930a9ab2c49eda4d01df4bb3dcfeb5e58
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution network. The embedded URL also points to an HTML file on a similar domain. The primary goal appears to be directing users to these external resources, which could be for SEO manipulation or to serve as a distribution point for further malicious payloads.

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://saranlpcoach.com/uploads/1/3/0/6/130640132/130640132.html#triple+integrals+in+spherical+and+cylindrical+coordinates
    • http://calledefelice.com/uploads/1/3/0/9/130969725/7582655.pdf
    • http://searchwalk.com/uploads/1/3/0/6/130620820/xeguxoni.pdf
    • http://m-dsurplus.com/uploads/1/3/0/2/130272862/favazisoj_sekabogex_baziziwegemavo_mawuzodubobap.pdf
    • http://amalo.org/uploads/1/3/0/8/130874175/5439045.pdf
    • http://www.stopsmoking2.com/uploads/1/3/0/6/130621213/127561.pdf
    • http://www.harderide.com/uploads/1/3/0/5/130539922/6867422.pdf
    • http://srcwwtp.com/uploads/1/3/0/6/130640071/duxotorom.pdf
    • http://worldofsunshine.nl/uploads/1/3/0/2/130287502/vejojixem.pdf
    • http://alfanartrading.com/uploads/1/3/0/2/130270808/liwedososu.pdf
    • http://jennileighcupcakerie.com/uploads/1/3/0/7/130776370/jizuxukatefuwisafo.pdf
    • http://asbestosinamerica.com/uploads/1/3/0/5/130588672/zagenitorav-napejud-rudegojajeneru.pdf
    • http://allurebridalsma.com/uploads/1/3/0/7/130738989/kigeduvivaxarumodox.pdf
    • http://getyourlocation.com/uploads/1/3/0/5/130588430/60ac7b3ab546bb9.pdf
    • http://blkafrodite.space/uploads/1/3/0/6/130604397/2251918.pdf
    • http://www.destinrentalbest.com/uploads/1/3/0/5/130588280/dutepa-kirile-zaxekujosab.pdf
    • http://summeratolg.com/uploads/1/3/0/6/130604093/5185777.pdf
    • http://jotandjoti.com/uploads/1/3/0/6/130620708/2ca421799296.pdf
    • http://dallasmendingminds.com/uploads/1/3/0/5/130588328/nomakega.pdf
    • http://alanpergusey.co.uk/uploads/1/3/0/8/130814508/3069488.pdf
    • http://runecastlebooks.com/uploads/1/3/0/8/130814190/gixejulike.pdf
    • http://menedzer.website/uploads/1/3/0/2/130289603/zabimixikazesijure.pdf
    • http://portandvine.com/uploads/1/3/0/5/130539756/nuxorixamewip-gomipatudov.pdf
    • http://holehjan.com/uploads/1/3/0/2/130270911/wejax.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_off00007568.bin
8e286928705577f1bd91ba276b1a8a0723c3bfc653258de33041fece3454ce1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7568 8064 bytes

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