MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document employs a fake CAPTCHA lure to deceive users into clicking a link. The linked URL, https://archism.ru/pbw?utm_term=human+fall+flat+mobile+download+apk, is identified as a redirector for a free-download phishing scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for credential harvesting or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://archism.ru/pbw?utm_term=human+fall+flat+mobile+download+apk PDF link annotation
- https://cdn-cms.f-static.net/uploads/4380073/normal_6026b93e4abcb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368740/normal_606dd98addd72.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369187/normal_6066faad5bda2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454673/normal_605cb4b385f0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374963/normal_603493b0d05ba.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/bdb9eef6-4a0b-480c-9f55-b5b2e1917cfb/mypin_ta4_ssr_controller.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/917223b5-b7f0-4d11-93bf-6d9325218179/26277324510.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1737626f-c4ba-4ffb-ba82-3fe768a460bd/dejixusojetoxuvavotipo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4415cee6-a6d0-436b-a1d9-2980e0e156f7/sas_enterprise_guide_8.2_silent_install.pdfIn PDF document text
- http://garifukedako.pbworks.com/f/dnd_5e_oathbreaker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ffe76c1-c664-4147-8888-a3adf6d86661/anjaana_anjaani_full_movie_online_gomovies.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb30c2a6-a3a0-4fa3-a96e-66028baea0d6/34313088905.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/16f3f150-d519-4532-825b-5dfa37d997ed/how_to_enter_online_poker_tournaments.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd94f0ee-3b98-4420-b781-b11264053031/reznor_unit_heater_parts_canada.pdfIn PDF document text
- http://mumubib.pbworks.com/w/file/fetch/144413712/active_and_passive_voice_exercises_for_ssc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9495211b-48a5-4aec-b002-27c154259e56/wobuwarewozamal.pdfIn PDF document text
- http://niwomif.pbworks.com/w/file/fetch/144427560/nofazale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3520f6d7-cfc8-4cfa-91dd-dc895cb63af7/metal_gear_solid_5_definitive_edition_ps4.pdfIn PDF document text
- http://xesimisejek.pbworks.com/w/file/fetch/145125639/vutimimagugujiza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c3d0b63b-386b-4656-a26e-a2678def8866/57858870172.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f45e8a1-ccf2-4f86-9e71-71d0ad4f05d6/love_story_film_song_video_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/31abe710-d605-4cae-99d9-806d4f9aedea/4253037982.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_off0000e783.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE783 | 5168 bytes |
SHA-256: c25fcf5f42cc785a2680044554134773dacc6efe8805fb5e560cae3f6111510d |
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font_01_sfnt_off0000f915.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF915 | 10680 bytes |
SHA-256: bb22fa0da87028e99470115f0655669059c7ca655b2e9cfc48147a441228c607 |
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