PDF malware analysis — malicious · 0911e7f36bd2f242

MALICIOUS

PDF

86.4 KB Created: 2021-03-25 06:57:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 46b92abbcdc924686f5bc499ee842836 SHA-1: 2cb54819f838b973676d3a8ba1937019317d1903 SHA-256: 0911e7f36bd2f242b094c624efebae833bf0c66d1078d9c2948b6e17fd6dc792

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a suspicious domain, and ClamAV detection confirms its malicious nature. The ML classifier also strongly flagged this PDF as malicious. The document body is heavily obfuscated, but the presence of external URIs suggests an attempt to redirect the user to a malicious site, likely for phishing or to download a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/wix?keyword=greyhawk+calendar+pdf
- http://premium-cinema.com/persepolis_graphic_novel_read_onlinezxu4j.pdf
- http://vereffka.xyz/pelicula_completa_de_amor_y_otras_adicciones_en_espaolv568s.pdf
- http://titanovyi-filtr.ru/oxford_dictionary_of_english_app_storeez3c1.pdf
- https://static.s123-cdn-static.com/uploads/4468289/normal_5fdf98e939358.pdf
- http://gobigs.space/diwosepokhepw.pdf
- http://static-get.top/word_game_app_2_player4as66.pdf
- https://cdn-cms.f-static.net/uploads/4408720/normal_60599018b0bcd.pdf
- http://paruvam.22web.org/kodifexabilukaposunasit.pdf
- http://mkr-olimp.info/anarchist_cookbook_original_1971_ebay6pn0z.pdf
- https://cdn-cms.f-static.net/uploads/4416919/normal_601aae365aaec.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://juxuvirorut.epizy.com/57294010403.pdf
- https://s3.amazonaws.com/vixuwogetiv/bad_boy_lyrics_saaho_telugu.pdf
- https://s3.amazonaws.com/lurutopobi/polar_ft60_battery.pdf
- https://s3.amazonaws.com/fekazudabo/biblia_griega_en_espaol.pdf
- https://s3.amazonaws.com/jivamubug/99085455595.pdf
- http://lesexuxu.rf.gd/brandy_bottle_image_free.pdf
- https://s3.amazonaws.com/kezemiradigu/58367508342.pdf
- https://s3.amazonaws.com/guwutivupudutu/tezugofemibuxo.pdf
- http://naratide.epizy.com/7339372973.pdf
- https://s3.amazonaws.com/dotivaf/iceberg_slim_pimp_audiobook.pdf
- https://s3.amazonaws.com/vukumesoj/cecil_county_dragway_sheets.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001156a.bin` `a7374ca89aae791dcef5a09fc3b34e6be32eb044a7a9a378be4caed820965fd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1156A	5352 bytes
`font_01_sfnt_off000127b9.bin` `3c674482ccc2639fefbcdba626884a33d27c52b5443633c39b269666e5f836d6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x127B9	10828 bytes

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