PDF malware analysis — malicious · f17315c75005918a

MALICIOUS

PDF

66.7 KB Created: 2021-03-03 09:30:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15

MD5: b66e67c52c39e077de9a492907049674 SHA-1: a71c185770a637fa8beebb313002983a68db77b3 SHA-256: f17315c75005918a2b7cf64be8d5a4fa332d36f31c3e3a0140a5ba8fcab42227

126 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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://druttle.ru/award?keyword=metamorphosis+bengali+pdf+download PDF link annotation
- https://wovasemuzusalej.weebly.com/uploads/1/3/1/6/131636629/2784318.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460975/normal_5fc96a3cb71fc.pdfIn PDF document text
- http://jijagigipijum.iblogger.org/16_gauge_perforated_stainless_steel_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/gepabafi/LsYgdib/pexobonisa.pdfIn PDF document text
- https://cdn.sqhk.co/xogeloke/ijghn0T/xuxajopapajigotodare.pdfIn PDF document text
- http://pawarelubasiwu.iblogger.org/99423945314.pdfIn PDF document text
- https://juvezunadu.weebly.com/uploads/1/3/5/3/135306862/6e31d.pdfIn PDF document text
- https://cdn.sqhk.co/supopareso/zvnggig/nyc_weather_radar_in_motion.pdfIn PDF document text
- https://nitogufufuwal.weebly.com/uploads/1/3/3/9/133997090/tetewajesi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://movedubeliw.epizy.com/zinizek.pdfIn PDF document text
- http://lanadofebanubod.epizy.com/riluratukojurobijedow.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c992.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC992	5692 bytes
SHA-256: `66b63dbec8185d53f0334a9f55ca99429aaa47027e4acd8ac0f83937f1586a96`
`font_01_sfnt_off0000dcdd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDCDD	9752 bytes
SHA-256: `31b4b85655cedc1da9acadab3b4507e72158ed2eee7e14fa063227e0e03e7bee`

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