PDF malware analysis — malicious · f600ecd8766c80bd

MALICIOUS

PDF

72.9 KB Created: 2021-03-02 06:55:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25

MD5: de9448f0d172df3171d9bdf59371df10 SHA-1: 3364bc0dfc11b8eb44e12cf7b5ee11c1668896f4 SHA-256: f600ecd8766c80bd50a5ff2435e01506db1c42e8458c8f745d75fa66a5ce075b

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://ponafet.ru/wix?keyword=logo+quiz+game+level+10+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4478951/normal_602b83b43c5df.pdfIn PDF document text
- https://retotanenumu.weebly.com/uploads/1/3/4/0/134017544/nixulaganej-fiworojujexizo-gupuwi.pdfIn PDF document text
- http://localdesign.me/kala_bhairava_ashtakam_songs_freebw10h.pdfIn PDF document text
- https://cdn.sqhk.co/detazido/lwigAij/jilam.pdfIn PDF document text
- http://reduslim-italiaufficiale.site/439607290258a8r9.pdfIn PDF document text
- https://zizuvikugit.weebly.com/uploads/1/3/1/3/131384696/d3da1f6a8dac.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426413/normal_5fcaf8cf4a74b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445871/normal_601e96a317603.pdfIn PDF document text
- https://cdn.sqhk.co/vimexuda/ihgevhe/perimeniloxova.pdfIn PDF document text
- https://vosifiteke.weebly.com/uploads/1/3/6/0/136049758/6579845.pdfIn PDF document text
- http://particulieres-societegenerale.best/anthem_game_digital9n7k4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000dff1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDFF1	5468 bytes
SHA-256: `396a64b7351036e6f046a9f87f6846c8427d2a918ad971947e5c1eb684f9157f`
`font_01_sfnt_off0000f29b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF29B	10516 bytes
SHA-256: `2a7fdb8183c9183441899f9be5e6112725b82e2db653481fa6b7e224d05673cb`

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