Malicious PDF — malware analysis report

Static analysis result for SHA-256 d09a0e86af090c95…

MALICIOUS

PDF

42.3 KB Created: 2020-03-20 04:20:25 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8e519cb3388184333977e5b7343f7b9b SHA-1: c10df9f462c14dd1c846e2f15585bcd473c1308e SHA-256: d09a0e86af090c95310de7d5e6aab6100ad50d409103e5ca85e3e1c834af1584
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, includes a URL that points to a Spanish phrase meaning 'My partner doesn't want my children', suggesting a social engineering lure. The primary function appears to be directing users to a vast network of other PDF files hosted on compromised or attacker-controlled domains, likely for SEO spam or to distribute further malware.

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://interfaithstorytelling.org/uploads/1/3/0/2/130272348/130272348.html#mi+pareja+no+quiere+mis+hijos
    • http://taobaomiaoshaqiyouyong.thesurge.cc/uploads/1/3/0/8/130813797/kanogasuv-rinupaxidim-zikifurawupuva-jilibiruribaj.pdf
    • http://chrystalscreations.ca/uploads/1/3/0/2/130273791/figona_gupepupinox_xozobav_kefenufo.pdf
    • http://mindhealthconnection.org/uploads/1/3/0/6/130603941/3386604.pdf
    • http://proteus-internetmarketing.com/uploads/1/3/0/7/130776037/virupifaz.pdf
    • http://www.lift4life.com/uploads/1/3/0/6/130621421/vuvofewaropek-sisetimilovaz-nerolosewovom-zetajavul.pdf
    • http://nickchaves.com/uploads/1/3/0/3/130323697/bugugututamafovasu.pdf
    • http://lightspeedpioneers.com/uploads/1/3/0/7/130776519/a2b9af0fab6c.pdf
    • http://equinoxtalks.com/uploads/1/3/0/5/130539718/jatutekapevujo_musafemifuz.pdf
    • http://webdisk.douglasenoblepainting.com/uploads/1/3/0/3/130313613/921556.pdf
    • http://shoes.boutique/uploads/1/3/0/5/130539797/tadowuli-wimuwibufawur.pdf
    • http://jtsboston.com/uploads/1/3/0/5/130588445/sabixefeneti_linorozotasiwo_kirarisewumo.pdf
    • http://seychellesphotographer.com/uploads/1/3/0/5/130588475/sodisun_deboko_guwomigilag_notuviwezujogin.pdf
    • http://www.kidsareus.org.uk/uploads/1/3/0/3/130379604/f1d5ec009.pdf
    • http://www.thegreatwesternarms.co.uk/uploads/1/3/0/7/130775174/7aa5e238f6cad.pdf
    • http://checkyourlucknow.com/uploads/1/3/0/6/130620584/relovudenu.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_off00007a09.bin
e5a597ed28c9cfdfad4e3ed4b26d15e8a43cb902fa7a922d4bb331738de0b197		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A09 8888 bytes

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