PDF malware analysis — malicious · b95357a582a1cd23

MALICIOUS

PDF

79.1 KB Created: 2021-03-01 15:07:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 129b7e2a1ba78cf97fb36f67cfcd83cf SHA-1: 91b05a6812dece29eed9b49251211f28f19c2dea SHA-256: b95357a582a1cd23e5e76575d6077c230655abcf163461813c568dd2c13cf56e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a website designed to appear as a search result. This URL, 'https://pelibifir.ru/wix?keyword=nevada+state+seal+symbols', is likely part of a phishing or credential harvesting scheme. ClamAV detection and ML classification strongly indicate malicious intent, classifying it as Pdf.Phishing.Trojan.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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 https://pelibifir.ru/wix?keyword=nevada+state+seal+symbols
- https://cdn.sqhk.co/tevimuwijile/jt6m3ie/maxxis_utv_tires_carnivore.pdf
- https://cdn.sqhk.co/zudilubal/QvjdieJ/heart_gold_ring_for_girl.pdf
- https://cdn.sqhk.co/geruxibab/unwggg7/koruwovosavatoxej.pdf
- https://cdn.sqhk.co/pijujuweg/bgc1jjk/63505275333.pdf
- https://cdn.sqhk.co/kinerufi/hUmMp6T/12226949065.pdf
- http://doxalasi.mywebcommunity.org/the_boy_who_harnessed_the_wind_worksheet.pdf
- https://cdn.sqhk.co/guposidum/hghd1hh/11259778397.pdf
- https://cdn-cms.f-static.net/uploads/4474465/normal_5fd7dbfeaed55.pdf
- https://static.s123-cdn-static.com/uploads/4485711/normal_5fee64b3c11b2.pdf
- https://cdn-cms.f-static.net/uploads/4487903/normal_5fd821f21baf1.pdf
- https://cdn-cms.f-static.net/uploads/4455194/normal_6034e03a5e0f6.pdf
- https://static.s123-cdn-static.com/uploads/4491173/normal_5fef6e026c634.pdf
- http://lapitubemexidi.mywebcommunity.org/6461331800.pdf
- https://cdn-cms.f-static.net/uploads/4373768/normal_603c5aaa04967.pdf
- http://relibafogat.sportsontheweb.net/forever_war_series.pdf
- https://static.s123-cdn-static.com/uploads/4478655/normal_5fcf40d83c9c8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/fipijife/74696042807.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/
- http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ee42.bin` `e433a23171ea1f8317760f38d6255a73641291e9125765c5bdaf4969f2fce15d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE42	4780 bytes
`font_01_sfnt_off0000fe9c.bin` `5b3752203050820a77e5b81e44477b4e11ef410bd573c3e60e70cd473738c7b8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE9C	10192 bytes
`font_02_sfnt_off0001219b.bin` `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1219B	4324 bytes

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