Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea7ad3d70feed0d7…

MALICIOUS

PDF

43.3 KB Created: 2020-04-13 14:22:43 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 42c99ce2611106c55459638a9711afd1 SHA-1: 4aa909a0118d9a73edd928b4d38a6046cc2dcde0 SHA-256: ea7ad3d70feed0d7a7661dd5d06f8f9cadc531d45c1ddce46263fb1e5a9f199b
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified as a link farm, designed to redirect users to various PDF files hosted on different domains. The document body mentions 'Rxprep book free download', suggesting a lure to entice users to click on these links. The primary heuristic 'PDF_SEO_LINK_FARM' indicates a malicious intent to distribute content through a network of linked pages.

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://mainelectricalsolutions.ca/uploads/1/3/0/7/130776314/130776314.html#rxprep+book+free+download
    • http://memorialmonumentfortheunborn.org/uploads/1/3/0/6/130603916/9994522.pdf
    • http://soulhealingandspiritconnection.com/uploads/1/3/0/9/130969077/2741041.pdf
    • http://opensourcedatawarehouse.org/uploads/1/3/1/4/131411762/noluzasixeloj.pdf
    • http://thefashionsmoothie.com/uploads/1/3/0/2/130289259/favevoda.pdf
    • http://mindbodypdx.com/uploads/1/3/1/4/131482997/xarudodedi_jotugavukad_beviweririz.pdf
    • http://purememorial.com/uploads/1/3/0/4/130488087/wasuxepagana_lurotofavadat.pdf
    • http://ilchousingcic.com/uploads/1/3/0/5/130539899/1812568.pdf
    • http://ptn-biz.eu/uploads/1/3/0/5/130551653/af3476d0b843b6.pdf
    • http://alphaandomegaconsulting.com/uploads/1/3/1/4/131482944/vizuwopudubob_keguler_lijozejo.pdf
    • http://kellysandau.com/uploads/1/3/0/4/130436033/narewasil-lapomalago-wipizogugize-pivenajaxekew.pdf
    • http://spinninpolestudio.com/uploads/1/3/0/8/130874189/wodamijuval-piwapazaragoxed-jevinon-resoxa.pdf
    • http://lorarealty.com/uploads/1/3/1/3/131380828/214504.pdf
    • http://savmyhouse.com/uploads/1/3/0/8/130874615/8791759.pdf
    • http://gps-mil.com/uploads/1/3/1/3/131379410/9c77b9b872d12.pdf
    • http://marlar-eng.com/uploads/1/3/0/7/130776788/129437a962546e.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007494.bin
1fd6ae5bc364cf50269deb794f34275b462bc9aa42a12db0bdac50a25aee2ded		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7494 9092 bytes
font_01_sfnt_off00009732.bin
0a74f62927e6506cf556ce04093ddaf717254a888a2313c4e0126ed6d6ed1ae5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9732 2484 bytes

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