Malicious PDF — malware analysis report

Static analysis result for SHA-256 8cd4fdb45da6ddce…

MALICIOUS

PDF

54.7 KB Created: 2020-03-30 07:59:06 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5edfe8f93513f34c781a664ac1d4ef36 SHA-1: 66a17ba05570043a600410f9b751140b9dad0230 SHA-256: 8cd4fdb45da6ddce7e06adbb757f182302a4f7c4a507a8189641bbbc7a469b95
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, a technique often used for SEO poisoning or to direct users to malicious sites. The document body, though partially corrupted, contains a URL that matches the heuristic findings. The primary attack pattern involves luring users to click on these numerous links, potentially leading to further compromise.

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://loskuatro20decalifornia.com/uploads/1/3/1/4/131406826/131406826.html#is+the+book+of+jubilees+referenced+in+the+bible
    • http://artpassion.store/uploads/1/3/0/4/130475923/1711660.pdf
    • http://ctesf.org/uploads/1/3/1/3/131398246/wesawa_zizoguvaj_jakare_sosarasija.pdf
    • http://argentinesociety.com/uploads/1/3/0/6/130603767/5453802.pdf
    • http://www.solarscrappers.com/uploads/1/3/1/4/131413766/318bf40fb3de8.pdf
    • http://grupoalfa.info/uploads/1/3/0/9/130969151/gokopamuxera.pdf
    • http://astridbadell.com/uploads/1/3/1/3/131381369/3700732.pdf
    • http://router.gtrnet.com/uploads/1/3/0/7/130739074/febabivufefesuw.pdf
    • http://woolyknot.com/uploads/1/3/0/6/130620757/4145592.pdf
    • http://jackphillipray.com/uploads/1/3/0/2/130272977/xaxutevojodure_jugiwewepirob_lomimipodupo_sakitotemo.pdf
    • http://yourallergyangel.com/uploads/1/3/0/6/130620576/420551.pdf
    • http://beltranonsite.com/uploads/1/3/0/3/130379307/momikur.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007a7c.bin
65de1aa25bdc9c926f0f0bc1ac1884d9842e03140197e159550e711f6f2bc416		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A7C 8668 bytes
font_01_sfnt_off00009bc0.bin
7b072a30262f609796b5e8edf29fe3377acdc0ec44420b8d6f88d690b0b427aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9BC0 7324 bytes
font_02_sfnt_off0000b215.bin
d1acecec399d525ba41e17d325e4ce4d2d1b6bdc693cb2390e17e359dc7069d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB215 18288 bytes

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