Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ed18fbd777e4154…

MALICIOUS

PDF

32.6 KB Created: 2020-03-24 04:26:11 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 84cd14b8292c480b15a3f227fec0d54b SHA-1: a7cf2e8cbe9339aad5fa047be93637b530e48cb2 SHA-256: 7ed18fbd777e4154fb14aac2a19a21e8ae3a0fa40219dc5f91f4064248491b1d
62 Risk Score

Malware Insights

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

This PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains text related to 'Basal metabolic rate calculator harris benedict' and mentions the wkhtmltopdf tool, suggesting a lure for users seeking health information. The primary attack pattern involves redirecting users to a large number of unrelated websites, likely for SEO spam or to host 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://eventosdelaparra.net/uploads/1/3/0/7/130738553/130738553.html#basal+metabolic+rate+calculator+harris+benedict
    • http://cottageandcheese.com/uploads/1/3/0/6/130621108/57eefef50da6f39.pdf
    • http://houseofaudra.com.au/uploads/1/3/0/6/130620640/6128728.pdf
    • http://precisionsecurity.org/uploads/1/3/0/6/130621516/kobewir_somosebof_wemorap.pdf
    • http://thequiltedseahorse.com/uploads/1/3/0/5/130588505/duvoperuxiguva.pdf
    • http://shardworld.com/uploads/1/3/0/7/130739927/jexekimotalem.pdf
    • http://oneakadanceco.com/uploads/1/3/0/4/130488198/508065.pdf
    • http://jubilateworship.com/uploads/1/3/0/5/130590724/7511903.pdf
    • http://thresholdsorganizingco.com/uploads/1/3/0/6/130640095/3580426.pdf
    • http://desalinc.com/uploads/1/3/0/6/130621909/e1efd9cc17cce1.pdf
    • http://cpanel.cheerfullydani.com/uploads/1/3/0/8/130813427/pavozajisele-sudinafa.pdf
    • http://tuinfeestschiedam.info/uploads/1/3/0/6/130621131/6434079.pdf
    • http://iqmri.com/uploads/1/3/0/4/130492963/rebodopas.pdf
    • http://thesaltcave.net/uploads/1/3/0/2/130288751/2699a4.pdf
    • http://flexcareinfusioncenter.com/uploads/1/3/0/4/130477584/soxipegufimukemotin.pdf
    • http://justforhimm.org/uploads/1/3/0/5/130539120/zorarob.pdf
    • http://radikosoft.com/uploads/1/3/0/4/130476940/towaranexoga.pdf
    • http://upstarrpactreasurehunt.com/uploads/1/3/0/7/130740129/474471.pdf
    • http://holagatito.com/uploads/1/3/0/7/130775357/d8d2b69182b659.pdf
    • http://soundvisiondecor.com/uploads/1/3/1/0/131070982/dedobelos.pdf
    • http://fernandahoracio.com/uploads/1/3/0/5/130543665/tebuwukomesugur.pdf
    • http://alessiadana.com/uploads/1/3/0/7/130738712/dikafaditu_rokonenobeneru.pdf
    • http://orianehazan.net/uploads/1/3/0/6/130621022/25fc98e.pdf
    • http://faithfulfitvegan.com/uploads/1/3/0/7/130738712/gixeguxa-dewefu-sozezi-migake.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_off00005c0e.bin
0f597fd12ad2c8d1c76cc3b4c30025f1b789026b21963326361ecd0acc2b941b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C0E 6036 bytes

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