Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2c2bb377c87d76e…

MALICIOUS

PDF

49.2 KB Created: 2020-03-27 10:31:37 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 93b74ed574d2cad6a0ca5d1409a55d09 SHA-1: 6219e16ca4883bb19b32eabbeb9fd310a9534c0a SHA-256: a2c2bb377c87d76e401c5be9912a92ea95df9abecb54ea380a25a8aee08c7994
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains text related to 'Fisiologia del gusto libro pdf' and references the wkhtmltopdf tool, suggesting a lure to download or view PDF content. The primary attack pattern involves directing users to a vast array of external URLs, 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://nefinancialservicesllc.com/uploads/1/3/0/6/130639856/130639856.html#fisiologia+del+gusto+libro+pdf
    • http://jmuduilawyer.com/uploads/1/3/1/0/131070148/6ac20312a94.pdf
    • http://edaudit.services/uploads/1/3/0/4/130483492/9401821.pdf
    • http://integrityvirtualsecretary.net/uploads/1/3/0/8/130874248/1837049.pdf
    • http://www.firma365.dk/uploads/1/3/0/5/130590082/libujuzut.pdf
    • http://oweddings.net/uploads/1/3/0/6/130604117/ruvafi.pdf
    • http://globalclimatefacts.com/uploads/1/3/0/7/130739385/wiwuba.pdf
    • http://ineffableapparel.com.au/uploads/1/3/0/3/130379638/6710183.pdf
    • http://icecreamscentedsoap.com/uploads/1/3/0/9/130969596/787201.pdf
    • http://onlinenursingdegrees.net/uploads/1/3/0/5/130589427/a8f4c14.pdf
    • http://homemaildoraemonthe.com/uploads/1/3/0/2/130271211/4124199a6e661a.pdf
    • http://clickwisegroup.co.uk/uploads/1/3/0/9/130969137/6571219.pdf
    • http://64-160-90-243.pacific-solutions.com/uploads/1/3/0/6/130620887/rajefabava_dinenerifuzima_vajejo_polen.pdf
    • http://carpets.casadedios.us/uploads/1/3/0/3/130313037/cc1bd7810d88289.pdf
    • http://rlrosadelis.com/uploads/1/3/1/0/131070431/pobopitin.pdf
    • http://radtacular.net/uploads/1/3/0/6/130640053/31d178515.pdf
    • http://psbypaulo.com/uploads/1/3/0/4/130488691/polopidanixi_renarodavupef_bigedo.pdf
    • http://eurekaideaslab.com/uploads/1/3/0/6/130640114/rizibelilifimi_lonavabewusaxav_bukifa.pdf
    • http://thechangeiwishtosee.com/uploads/1/3/0/5/130550743/12f0070.pdf
    • http://oregonfoodcarts.com/uploads/1/3/0/7/130775015/jinugizeva.pdf
    • http://rcpromaintenancecorp.com/uploads/1/3/0/5/130590622/540ca3e990.pdf
    • http://anuvad.net/uploads/1/3/0/3/130323116/teges_jomufipuragemup.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_off00009178.bin
2df86ec1abec5f2a230ce7fadf27de557cb72c18da276301fc1c9a6cf6e200e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9178 10560 bytes

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