Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f4f82b706e0b06a…

MALICIOUS

PDF

33.6 KB Created: 2020-05-02 00:03:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 614d15957a0ee035885d68f0a14df19a SHA-1: a4810c5f78002fc202b113bb1a2b8c5ef40dcc6d SHA-256: 1f4f82b706e0b06a0f371cd59e82c784cd823f3459d737d5704e29c2bd2108da
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. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The embedded URLs and document body text, though partially obfuscated, reinforce the presence of these external links. No scripts were extracted from this sample.

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://4gen4.org/uploads/1/3/0/2/130287257/130287257.html#ohaus+analytical+balance+pdf
    • http://bridalgownsinboston.com/uploads/1/3/0/5/130551687/221017.pdf
    • http://pakox.com/uploads/1/3/1/4/131453919/wunira-jajamub-vifamotenove-metobawij.pdf
    • http://elaineyuki.com/uploads/1/3/1/3/131398322/vefogonasuji.pdf
    • http://alphatrips.net/uploads/1/3/1/4/131482916/ruxex-pedakamusijuk.pdf
    • http://fnbr.codes/uploads/1/3/0/6/130620478/buponogadudixoz.pdf
    • http://salempipeansteelco.com/uploads/1/3/0/7/130775271/nazujejove_dufabi_kafelezafakilex_fokunof.pdf
    • http://jerimiahstephenotto.com/uploads/1/3/0/9/130969293/bd78cc8b7c0d79.pdf
    • http://ballparksports.net/uploads/1/3/1/1/131163908/2110471.pdf
    • http://landscapingsandysprings.com/uploads/1/3/0/6/130604254/sijutiguruwif-finov.pdf
    • http://mommymclees.net/uploads/1/3/0/6/130604646/ac98a.pdf
    • http://koiyoga.com/uploads/1/3/0/6/130622058/bae009573f6f8.pdf
    • http://dryminingequip.net/uploads/1/3/0/5/130550993/a23f194e284ec.pdf
    • http://tmttriotruckingllc.com/uploads/1/3/1/0/131071164/pitafo-vumaganejog.pdf
    • http://aardvarkinsuranceacademy.com/uploads/1/3/0/4/130488311/1609694.pdf
    • http://grittreasures.com/uploads/1/3/0/5/130550966/8c0e1c36d02df5.pdf
    • http://homebrewershirts.com/uploads/1/3/1/0/131070652/gasevisuvuk.pdf
    • http://voiikids.com/uploads/1/3/0/8/130814129/1402420.pdf
    • http://concentratedconfidence.com/uploads/1/3/0/4/130488451/9b3737a.pdf
    • http://alaskahistoryday.com/uploads/1/3/0/2/130287289/8846582.pdf
    • http://olhcreligiousedstatenisland.org/uploads/1/3/1/3/131384797/rifapiwaw-wokesopa.pdf
    • http://startlineandbeyond.com/uploads/1/3/0/8/130814347/4527cf.pdf
    • http://theresaandbilly.com/uploads/1/3/1/6/131606109/4498257.pdf
    • http://blossombeautytreasureshop.com/uploads/1/3/0/6/130620985/gamuma.pdf
    • http://bbq4hope.com/uploads/1/3/0/4/130436258/f81695c5a.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_off00005cce.bin
5e92539e87819ea19d3834dea7426691d440447f7a1c28a01e5b7e24dcef94ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CCE 7316 bytes

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