MALICIOUS
134
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 high likelihood of malicious intent. The presence of an external URI pointing to 'maypoin.ru' suggests a phishing or malware distribution attempt. Although the document body is heavily obfuscated, the heuristic 'SE_URGENCY_LURE' suggests a social engineering tactic was employed.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=how+to+use+oral+thermometer+on+baby PDF link annotation
- https://cdn-cms.f-static.net/uploads/4468253/normal_5fd162a6c8537.pdfIn PDF document text
- http://kimugifogetami.medianewsonline.com/is_cyberpunk_for_ps5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464874/normal_5fee481cc6bb6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412757/normal_601967bbd5d17.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408476/normal_5ff46c4628c29.pdfIn PDF document text
- http://jinobuzid.scienceontheweb.net/50922667526.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459162/normal_6029e1f8000d5.pdfIn PDF document text
- http://werikipirojenob.scienceontheweb.net/8809813308.pdfIn PDF document text
- http://kutatit.getenjoyment.net/kapamas.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://e4fb9bf1-a3d6-4767-9bf2-2a1021e5dc09.filesusr.com/ugd/53cfc7_e6bf0ed8e77a49939394d0ec32bf01c4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3bee4538-de03-47ac-bc87-a2a46023216d/xaginekudumad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0e671a4-150e-4ad9-b0f9-60b0f34f3b51/how_to_get_certified_in_dog_training.pdfIn PDF document text
- https://eb40363d-1d1f-4170-a897-f23f0f433116.filesusr.com/ugd/2a1429_a4c95034fa96427daa3a3421da23accf.pdf?index=trueIn PDF document text
- https://8dfd47f4-e591-4377-92a3-bdbf91d41e5a.filesusr.com/ugd/a58b01_97d21bed18f54e289738df5d0df49ef5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/369e3ceb-02c2-4025-a039-fa0c354757d8/ford_mustang_convertible_rental_hawaii.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/51fb09db-1ff9-48cd-b62f-f271a5fc7f35/engineering_chemistry_thermodynamics_notes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/70bfb4e9-e091-49cb-97b8-e41e460eefd0/how_do_i_reset_my_lg_truesteam_dryer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7002a97b-6f47-4636-b9e6-a7d7812c2056/zovamapejuzafitalakometu.pdfIn PDF document text
- https://14da0a27-f261-4d4b-8668-3a369f5c966d.filesusr.com/ugd/46429b_b5e4c0613c23427694a92d05a310cadd.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_off0000eb57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB57 | 5052 bytes |
SHA-256: 51855fdcbbd14cec95d1df0de3a318dd9579869bc85a7fb2ec7e3323cd6cf58e |
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font_01_sfnt_off0000fc6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC6E | 10292 bytes |
SHA-256: 3a8e86e4629da0b4788b3c3c08069413edf48ec6707e3a48df0d4fda1ee3aaff |
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font_02_sfnt_off00011fb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB4 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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