PDF malware analysis — malicious · f2bc4ce33e50b06e

MALICIOUS

PDF

65.5 KB Created: 2021-03-04 05:43:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: a14146f838960830adfa5a8334b03a25 SHA-1: 95bbc1c1e07ffd8f8a7dd53584a2f01d4fa51dae SHA-256: f2bc4ce33e50b06e1e8fb4a317e8276dab03202fb509ab04cf3721b72109c50b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://midufefew.ru/strik?utm_term=hoover+windtunnel+t+series+hepa+filter+replacement PDF link annotation
- https://cdn.sqhk.co/wugotiparo/93YT92n/zamekikesusisogolikomuk.pdfIn PDF document text
- https://cdn.sqhk.co/rabataxuvax/Mhh2mja/street_sweeper_driver_jobs.pdfIn PDF document text
- https://cdn.sqhk.co/nepopagugela/6hjpXjj/road_racing_car_setup_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/joninopi/iahaRuJ/59019910221.pdfIn PDF document text
- https://cdn.sqhk.co/pugudanirav/jeic8so/tutuzotaxotabijo.pdfIn PDF document text
- https://cdn.sqhk.co/ramidazumiko/hfjdHCs/fishdom_game_reviews.pdfIn PDF document text
- https://cdn.sqhk.co/luwokiseg/Ohehfgi/microsoft_authenticator_windows_10_login.pdfIn PDF document text
- https://cdn.sqhk.co/ruwonumatag/LhaNiaC/witupepitujexidiranefefu.pdfIn PDF document text
- https://cdn.sqhk.co/susojitigi/EKjdgcb/pejututozugajizazekokuta.pdfIn PDF document text
- https://cdn.sqhk.co/vimewiki/ihfmhbL/setofiv.pdfIn PDF document text
- https://cdn.sqhk.co/sidogorego/id4hiq3/temevasajopubegoten.pdfIn PDF document text
- https://cdn.sqhk.co/torixugajo/ehdihuk/world_war_i_history.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jalasilunaz/christmas_carol_dickens_italiano.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_off0000bf3d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBF3D	5508 bytes
SHA-256: `edde49df24acff847718906bc7dd6f9e12ca0e67093c2ce66e756d260693c3f4`
`font_01_sfnt_off0000d1e5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD1E5	11076 bytes
SHA-256: `f67dc8ff277cf35b8f05b4f81339d5cf35a8fa3da0e27e2abfb8a2603fa0659f`

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