MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many pointing to disposable hosting, indicating a link farm or SEO manipulation tactic. The primary malicious URL identified is 'https://resalured.ru/strik?utm_term=what+do+the+stars+say+tonight', which is likely used to redirect users to phishing or malware hosting sites. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://resalured.ru/strik?utm_term=what+do+the+stars+say+tonight PDF link annotation
- http://vefaporuzudu.iblogger.org/is_samsung_frame_a_smart_tv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8eefcaf3-52f5-4123-8be5-b1f0aaeea45e.filesusr.com/ugd/1d3654_e6f93cf9d842443eb330e19cb632cde0.pdf?index=trueIn PDF document text
- https://78f5967e-1348-44d0-b43d-4fba71d4c3e7.filesusr.com/ugd/a94f6a_3ec294539715403caa02489f314f2b1e.pdf?index=trueIn PDF document text
- https://42e65457-ec34-4553-8979-78b6e302f774.filesusr.com/ugd/f1976d_1588bb0fecfd43daa0478895103bcdf6.pdf?index=trueIn PDF document text
- https://626fb5af-1d67-41cb-86ce-204163677ff0.filesusr.com/ugd/9d869b_2756e4066bb1427087f19696bc88e865.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f1dd584b-b086-402e-9db6-13547340147e/62845795871.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9f1f09f-f0d4-43f8-bd38-f8bd42ff650e/senobobusuvufujosowogodol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d531655-26e9-489c-87d2-fc66c41348c7/resea_de_romeo_y_julieta_libro.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80c76e79-8408-4e58-a3ae-98c328390387/ipad_mini_2_size.pdfIn PDF document text
- http://feletik.epizy.com/puppy_contract_template.pdfIn PDF document text
- http://rewerikipij.rf.gd/sph3u_kinematics_test_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd13ad37-07c0-433a-aabb-8004a86b4dbf/books_of_haruki_murakami.pdfIn PDF document text
- http://juvuzonowokogu.rf.gd/numeros_primos_e_compostos.pdfIn PDF document text
- https://200c4c3d-185b-4246-b99f-f40cd7065c99.filesusr.com/ugd/3ed902_0d008e3394624db2a39987890c28bd31.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/200b8eae-1d0a-421a-87b9-724fc20961c9/highway_safety_ratings_booster_seats.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d124e657-b48a-47eb-b54f-a7e28b0b7f3f/novipixeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c011c49e-c76c-4840-8fd1-794a1f1b754c/why_is_my_hisense_air_conditioner_not_cooling.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/807b5cce-167a-487f-b2e0-e50f3ddbfffd/what_key_is_johnny_b_goode_in.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_off0000f9f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F6 | 5168 bytes |
SHA-256: e9133541e6ff092258dc3fd3a39ac33ef849f3b89b44844254d0676215d145f4 |
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font_01_sfnt_off00010b9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B9A | 11656 bytes |
SHA-256: f1b8e95a0c0d5d94b0fb9c71217b4538605d44819b72d62150a106e755d025be |
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