Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4734f78f068da1d…

MALICIOUS

PDF

42.3 KB Created: 2020-05-19 23:18:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe46883c611132c3c2b2471d70ff60ad SHA-1: a4b7520bf9f12302b7d7bce14bc1c5f01ed95067 SHA-256: e4734f78f068da1d1e3efcf105a4247e29ac5def71c2afa2cc8316ff00968b84
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are numerically or generically named PDFs hosted on various domains. This pattern is indicative of a link farm or SEO spam campaign. The document body contains a reference to 'Gta v lester assassination stock market guide ps4', suggesting a lure to attract clicks. The primary attack pattern observed is the distribution of numerous external links, likely to drive traffic or potentially serve as a distribution vector for further malicious 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://fearlessculture.org/uploads/1/3/1/8/131856212/131856212.html#gta+v+lester+assassination+stock+market+guide+ps4
    • http://justdogtreats.net/uploads/1/3/0/4/130436079/ponutila-totof.pdf
    • http://qualitygoods2020.com/uploads/1/3/1/3/131380253/tuloz.pdf
    • http://immaculaterender.com/uploads/1/3/1/4/131452842/ee0b0c1476f4.pdf
    • http://cornholeimprints.com/uploads/1/3/1/4/131454766/cff1e14154ee.pdf
    • http://e-stringer.com/uploads/1/3/0/5/130589353/8436468.pdf
    • http://goldenraysofhope.com/uploads/1/3/0/2/130288401/2758707.pdf
    • http://careysconsult.com/uploads/1/3/0/3/130324418/zomedasapexodipune.pdf
    • http://duralumsiding.com/uploads/1/3/0/8/130814871/fivirunolekav.pdf
    • http://lyanatavel.com/uploads/1/3/0/6/130639157/5270330.pdf
    • http://lleyngold.com/uploads/1/3/1/3/131381946/9cf693b9449c.pdf
    • http://patroassociates.net/uploads/1/3/0/7/130776063/516422.pdf
    • http://matthewsdodrill.com/uploads/1/3/0/6/130620522/tupenivavonuta_gukajobopola.pdf
    • http://newclothingline.com/uploads/1/3/1/4/131452887/85cd824dc.pdf
    • http://suncitydrivingschool-west.com/uploads/1/3/1/4/131438248/fb59958852f7.pdf
    • http://mjmaintenanceltd.com/uploads/1/3/0/6/130621620/jakozagetu.pdf
    • http://bumbleandsprout.com/uploads/1/3/0/8/130873776/nujoxabave-viduwewolileb.pdf
    • http://tmtlending.com/uploads/1/3/1/0/131070382/3559041.pdf
    • http://crystalshine.info/uploads/1/3/0/7/130776006/titisasenagotesoni.pdf
    • http://medtechtips.com/uploads/1/3/1/4/131410736/dajukuto.pdf
    • http://sofullofcrepe.org/uploads/1/3/0/2/130272554/lolabegapugutu.pdf
    • http://kmsaudio.com/uploads/1/3/0/5/130589444/1240476.pdf
    • http://cubematic.net/uploads/1/3/1/4/131407968/b36a7a584.pdf
    • http://gemsantiques.com/uploads/1/3/1/4/131482882/dfd5dde1ab.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_off00007816.bin
03f2d485c0350e877dafedd157a48cc72e8800cd04b65e880b5187eae5bf09e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7816 10780 bytes

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