Malicious PDF — malware analysis report

Static analysis result for SHA-256 1bccc04a0c2c4833…

MALICIOUS

PDF

38.6 KB Created: 2020-03-29 10:58:24 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 771fdda0b04d86cbcceadf69ecfe0523 SHA-1: 294c5689d6e5973868b2d5c1f425438abe2d3160 SHA-256: 1bccc04a0c2c48334dbf259820a3246cd6ab84dee5036ce3d61707e1ebd52724
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, a technique often used for SEO poisoning or to redirect users to malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating a likely attempt to drive traffic to potentially harmful websites. No scripts were extracted from this sample, limiting the analysis of direct payload execution.

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://74-123-78-122.mgwnet.com/uploads/1/3/0/2/130291922/130291922.html#grafica+peso+y+talla+ni%C3%B1os+oms
    • http://frostfirefarms.com/uploads/1/3/0/7/130775710/129156.pdf
    • http://ngprestacaodeservicos.net/uploads/1/3/0/2/130287991/175675.pdf
    • http://terriholifield.com/uploads/1/3/0/5/130588718/vududegexidinikiw.pdf
    • http://brumaspa.com.co/uploads/1/3/0/5/130588272/sumogoxovumixarod.pdf
    • http://hiddencomedy.com/uploads/1/3/0/3/130379289/nigametumu_gudok_xubux.pdf
    • http://childrenright.com/uploads/1/3/0/6/130621082/82018.pdf
    • http://mta-sts.mail.leadfluence.net/uploads/1/3/0/2/130271153/5746895.pdf
    • http://crosscutwedge.com/uploads/1/3/0/7/130775078/1949965.pdf
    • http://legacychoreo.com/uploads/1/3/0/4/130436521/9a427ed57adc.pdf
    • http://innparadisekauai.com/uploads/1/3/0/6/130620945/1173ff.pdf
    • http://poeonline.net/uploads/1/3/0/3/130312934/61e2a45690f34.pdf
    • http://haveyouheradofmhh.com/uploads/1/3/0/8/130873877/ratuwolo.pdf
    • http://brucejacklinandcompany.com/uploads/1/3/0/4/130478648/gekikeno.pdf
    • http://wfpcc.org/uploads/1/3/0/5/130551356/73bc858bc28839.pdf
    • http://jskmarket.com/uploads/1/3/0/6/130639581/misaxomisogolu-fiwake-pebixojojomoma.pdf
    • http://allanhovi.com/uploads/1/3/0/8/130813554/radarizewudepot.pdf
    • http://kathmandu2himalayas.com/uploads/1/3/0/3/130323642/vazetebesibow_masowonov_laxonuremeb.pdf
    • http://greaterworkscenter.net/uploads/1/3/0/6/130621959/vagosuxe.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_off00006c50.bin
1292ed6ba23084a97bc74c93a6243a59fb2298b6b2c1508d65dbc193f7ab45d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C50 8316 bytes

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