PDF malware analysis — malicious · e08a474c2f94ff96

MALICIOUS

PDF

85.1 KB Created: 2021-03-14 17:53:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7619472518fcd1e0c6d23b17e3b624f1 SHA-1: 23242d88cb0eb874e9da3d0a6b9e8d05f83037e5 SHA-256: e08a474c2f94ff961cc8d7c76e2e9306818de0e5c4ee4507bb308b33d14858a9

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI that points to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also strongly indicated maliciousness. The embedded URL likely leads to a phishing or malware distribution site, making spearphishing attachment the primary attack vector.

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://jumiwimov.ru/wix?keyword=typical+gothic+elements+the+black+cat
- https://cdn.sqhk.co/javeduner/ftighae/sausage_jump_fun_adventure_running_game.pdf
- https://cdn.sqhk.co/vaxikinanibu/JVYcfie/20474909531.pdf
- http://durorazi.22web.org/cluster_sampling_in_research.pdf
- http://jalimojaben.iblogger.org/zigisalavuguparelaxak.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fujesotes.epizy.com/xafonifaboli.pdf
- https://uploads.strikinglycdn.com/files/0a91d5b0-7c8d-41d1-9160-3321824e0253/stress_relief_programs_for_college_students.pdf
- https://uploads.strikinglycdn.com/files/51c433dc-3fec-4091-bced-6904e243aa67/california_traffic_citation_payment.pdf
- https://uploads.strikinglycdn.com/files/02f6f03d-845d-4a34-becf-58c1b89d5634/ac_agencement_concept.pdf
- https://uploads.strikinglycdn.com/files/7d57f488-80a3-4fcc-af7f-e592bc724607/billiards_last_pocket_rules.pdf
- https://s3.amazonaws.com/bubeto/zodarogov.pdf
- https://s3.amazonaws.com/sazixipame/zapozizokexunevogoxakewu.pdf
- https://uploads.strikinglycdn.com/files/309eced8-5afe-4705-898f-4726d7548ead/mcgraw_hill_4th_grade_math_book_online.pdf
- http://sozofini.epizy.com/rejonivip.pdf
- https://uploads.strikinglycdn.com/files/d1574bd7-1c1d-4d25-b2ea-5fdb175831a9/way_to_override_thermostat.pdf
- https://uploads.strikinglycdn.com/files/4f0e10c2-18f6-4fb1-b07a-3dd82376db65/big_little_lies_trailer_deutsch_staffel_1.pdf
- https://s3.amazonaws.com/wurivuve/34907395566.pdf
- http://xugomoxuniwemo.rf.gd/beira_alta_menu.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_off00010db8.bin` `0789981500be368dce79cafc70281214eb17ca3853d4e70d922e6034135f72f7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10DB8	5504 bytes
`font_01_sfnt_off00012055.bin` `2ecacc4233bfb32c624bd52a31316634350b1f08a21405503b1bed01fe749217`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12055	11000 bytes

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