PDF malware analysis — malicious · 8822737c0f3ea53e

MALICIOUS

PDF

151.3 KB Created: 2021-04-27 13:57:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 7aa984ec10f94e64fa2b958a8f5434d4 SHA-1: 3418c6afd99253b9ac9c42e01ee163a37539abd8 SHA-256: 8822737c0f3ea53eb30b20c5e31d362967cf166ac756e351c054007f6da244db

162 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 routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9957

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
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://yafferge.ru/strik?utm_term=robertshaw+7200ercs+pilot+light In PDF document text
- https://cdn.sqhk.co/faserekino/hj4JWGg/bamijonuwigez.pdfIn PDF document text
- https://cdn.sqhk.co/pugepavofu/L39azhe/wobixevi.pdfIn PDF document text
- https://cdn.sqhk.co/dovumisiwe/mjdskdG/bruce_almighty_2003_full_movie.pdfIn PDF document text
- https://cdn.sqhk.co/numokafas/chdggIW/felerinateremunadixodunur.pdfIn PDF document text
- https://cdn.sqhk.co/pakiwujipubi/icjciiP/consolidated_theatres_pearlridge_events.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://edefa294-c65c-46c5-840b-8a4669b9fdfe.filesusr.com/ugd/e4a001_554f86362e2b42da93a4f9ecb0cc116a.pdf?index=trueIn PDF document text
- https://298c7861-702e-4dad-8e6b-798164301c36.filesusr.com/ugd/98adb1_0bcb4139b785460ca124f309c7db0bcc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vebenok/aristotle_nicomachean_ethics_book_6.pdfIn PDF document text
- https://8bd0dbf5-62e0-4684-a95a-1d9666dfa34a.filesusr.com/ugd/e71694_20d7aa239a104c9ab3f2b5590472e4ec.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kozewuposoridil/dujonanijifarumo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08e5db8d-4c68-48fc-bada-2fb7ab4fffb0/cost_of_living_comparison_world.pdfIn PDF document text
- https://s3.amazonaws.com/xovekolamoxe/ranger_boats_flippin_arkansas_jobs.pdfIn PDF document text
- https://s3.amazonaws.com/galinikagopit/the_first_48_missing_persons_season_2_episode_8.pdfIn PDF document text
- https://d89a15f7-21b5-45f0-b9b4-bc5b7be68842.filesusr.com/ugd/18e821_bf7751b441a84fb28bf6436c9c9c7cfd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/buponuwebi/formato_de_avaluo_de_inmueble.pdfIn PDF document text
- https://s3.amazonaws.com/pusolefosex/82438172963.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5206f5f5-ec85-454b-b4e2-ec2f4e02068d/mf_3545_parts.pdfIn PDF document text
- https://s3.amazonaws.com/xiwevitox/konufubiw.pdfIn PDF document text
- https://s3.amazonaws.com/wupagivoz/janatha_garage_telugu_mp4_video_songs.pdfIn PDF document text
- https://s3.amazonaws.com/jodabiladezot/which_of_these_compounds_is_covalently_bonded.pdfIn PDF document text
- https://s3.amazonaws.com/jujadodedaruxix/jatev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13325ab6-0aaf-4b52-8719-282ca2caadfc/76086118175.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46319fce-9af9-409f-a8cb-efd95356b519/80920881173.pdfIn PDF document text
- https://ed59cdd8-0d75-4634-8bb2-7afdb9da103e.filesusr.com/ugd/9cb112_c976d5178ef74b88b73fab75d3e46bba.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jivuxo/45567119494.pdfIn PDF document text
- https://s3.amazonaws.com/figidireki/fale_sobre_a_formao_dos_cromossomos.pdfIn PDF document text
- https://s3.amazonaws.com/batiku/40391845320.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_off000210fb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x210FB	5788 bytes
SHA-256: `787ac57abf585e9c4aba963bc1012eac60b57a0b4adc9a0c3c0c7ebd2d6f1a08`
`font_01_sfnt_off000224c4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x224C4	12744 bytes
SHA-256: `f3637a1cb14a8f634d8f1cfa2a7da5d264bedc251abb9a01b7281ffd97570792`

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