MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains numerous external URIs, with a prominent one being `https://maypoin.ru/strik?utm_term=firex+smoke+detector+troubleshooting`, suggesting a lure related to fire alarm troubleshooting to redirect users to a malicious site. The document body is heavily obfuscated, but the presence of external links and the heuristic `PDF_SEO_DISPOSABLE_LINK_FARM` strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://maypoin.ru/strik?utm_term=firex+smoke+detector+troubleshooting PDF link annotation
- https://cdn-cms.f-static.net/uploads/4450898/normal_60177c9be893a.pdfIn PDF document text
- http://miwuzobi.sportsontheweb.net/zegavikupemukawuda.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4452612/normal_5ff520cc5b084.pdfIn PDF document text
- http://letgtma.bid/craftsman_lt1000_original_pricegruzk.pdfIn PDF document text
- http://lunatan.medianewsonline.com/rikazawoleketekejasodufob.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464530/normal_60355d437898d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459625/normal_602c9e28c3f0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419828/normal_606472ff2208e.pdfIn PDF document text
- http://jupizuginilumop.22web.org/moziveboli.pdfIn PDF document text
- http://remontnatali.ru/knot_tying_for_surf_fishing9y80e.pdfIn PDF document text
- http://aycotoro7.xyz/12690790482k8gyc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://6ba8113a-99dc-4618-97bf-d7180f10ff72.filesusr.com/ugd/b6edda_927a96b744864759b83ad645fe4bb931.pdf?index=trueIn PDF document text
- https://2ea9429b-0332-4ee6-bb75-ab9535b56c99.filesusr.com/ugd/e2f7e1_fd39e9ae272c4cc394f2ba301411037f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zazelujeju/bmw_road_map_europe_premium_2017-_2.pdfIn PDF document text
- https://s3.amazonaws.com/divelikubapiwaj/civilization_iv_beyond_the_sword_strategy_guide.pdfIn PDF document text
- https://efa91360-7c21-416c-9d60-3189e0beb381.filesusr.com/ugd/42ffc7_15b25587e8894408a0013b3015befcec.pdf?index=trueIn PDF document text
- http://miganuvag.myartsonline.com/rujizejakufavigi.pdfIn PDF document text
- http://buzetewad.rf.gd/wafirotadeke.pdfIn PDF document text
- http://balesalefune.epizy.com/character_certificate_in_english.pdfIn PDF document text
- http://kejidexod.epizy.com/jamixokivavipapi.pdfIn PDF document text
- https://s3.amazonaws.com/jusuberu/16253837581.pdfIn PDF document text
- https://abc5f1b3-ad37-4660-b048-d9bff2240d70.filesusr.com/ugd/a1fb68_eff3174fbd6d478ca5fd05292b6a124a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zosevid/biwetemimitofozosiw.pdfIn PDF document text
- https://s3.amazonaws.com/vezumobigodub/fitbit_versa_lite_apple_compatible.pdfIn PDF document text
- https://3f9320ff-391d-49df-b192-c557e211a93c.filesusr.com/ugd/469aea_8bdf36234c7e4943b9641d6514f90902.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0E | 5252 bytes |
SHA-256: aaf562ab6a0c54f2c60ad01828b3636365e11c32f9b79d41b1f3c2b5ee9b96a2 |
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font_01_sfnt_off0000fecb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFECB | 10192 bytes |
SHA-256: 52372e626a0e822636db19a2f2d9020b149ce60eb3970fa2e0a6d0cd0d158241 |
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font_02_sfnt_off00012195.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12195 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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