PDF malware analysis — malicious · 2aec1807337bb766

MALICIOUS

PDF

68.4 KB Created: 2021-03-22 20:59:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7dca7e2b258787935e0dd634bc62cdb7 SHA-1: d44a20f70c4100a748b9591b05bbe3f87ebfebeb SHA-256: 2aec1807337bb7664e94ffa1fb71e2464895f634c85f3d5bfba89bedf5d2145f

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 suspicious domain, likely intended to host phishing content or a further payload. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though partially corrupted, suggests a lure related to a specific book title.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://soxebez.ru/award?keyword=accounting+for+management+book+by+sn+maheshwari+pdf
- https://cdn.sqhk.co/woxezelej/Zhh1xc1/52226516132.pdf
- https://cdn.sqhk.co/xemugugafot/7Xhi8Ad/natuwunomi.pdf
- http://tozepefaj.iblogger.org/free_after_effects_templates_movie_intro.pdf
- http://lulopoboxefon.scienceontheweb.net/visototedadaro.pdf
- http://dokojusekorukuf.iblogger.org/how_many_calories_in_a_burger_king_junior_whopper_with_cheese.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/873550c4-f832-4430-bd67-96d2b78d81b1/is_minas_tirith_a_real_castle.pdf
- https://uploads.strikinglycdn.com/files/a11a8aba-373d-415e-9d1c-f30c4bc99544/fagabewutuxujiropig.pdf
- https://s3.amazonaws.com/bawalidamovidud/40592916524.pdf
- https://uploads.strikinglycdn.com/files/a5982f0d-efc8-4203-ac50-f61fb6bb7061/wahl_home_pro_basic_clipper_kit_uk.pdf
- http://kikadof.epizy.com/tanatologia_unam.pdf
- http://jewigetujano.epizy.com/geographic_information_systems_and_science_download.pdf
- https://s3.amazonaws.com/gapivegek/adventure_android_games_phoneky.pdf
- https://uploads.strikinglycdn.com/files/590d2655-1214-46cd-aa3d-45e327971b83/the_exorcist_2_cast.pdf
- https://s3.amazonaws.com/gedexim/89800894374.pdf
- http://bitines.myartsonline.com/malachi_z_york_release_date.pdf
- http://dagalukuxi.rf.gd/permanently_shut_down_nuclear_power_plant.pdf
- http://fofogagad.epizy.com/76720558193.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_off0000cd18.bin` `3ad2d43d94d8a48178ce064e4a2bad7eb5fabfa08120a697c15b1f6555a75584`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCD18	5924 bytes
`font_01_sfnt_off0000e130.bin` `75bf7c403df2fe2f355d8033544b2a0a22cc0b7b26c01cb716bb34384390c4d4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE130	10232 bytes

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