MALICIOUS
186
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 embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://pelibifir.ru/strik?utm_term=grzimek%2527s+animal+life+encyclopedia+volume+4+pdf PDF link annotation
- https://jigugelelatowo.weebly.com/uploads/1/3/1/4/131437208/1605289.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485689/normal_605958e623c0e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486060/normal_5fe3966ee4a0f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444356/normal_60616c9061cd5.pdfIn PDF document text
- https://zagiwesojuju.weebly.com/uploads/1/3/2/7/132712322/ed9a0.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/0b7f010f-2d40-4b8a-9832-6775fa57de09/berixumomezog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/46dd66a7-0240-4856-8d19-7fb7ebf95b30/1197901224.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3eb0084f-7cf4-4dde-88e3-6109538af95b/64259910764.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/325a324c-6175-4ef0-9e3e-36dfeaa8e91a/tifowoba.pdfIn PDF document text
- https://3d9856c9-ddaf-40ef-ab37-14107f3d3ee7.filesusr.com/ugd/938106_674f7d7b972741e08c0fbf99d7d75899.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7a071091-4278-42ea-bf0e-f5e1b84e415f/83699827489.pdfIn PDF document text
- https://2080fafa-2491-4ac3-8118-a138f33bff34.filesusr.com/ugd/822ecd_55d492d94b4547e381302fd0edd68bf4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5d1f6f8a-548b-468e-8eec-9511bddcc4bb/vaziforazotiditiz.pdfIn PDF document text
- https://95c758d6-fd33-43c6-b5d0-f1f55e07e946.filesusr.com/ugd/cb0188_df20753925b74d3798aa15e1d216307b.pdf?index=trueIn PDF document text
- https://ae8c1479-5121-4009-b0ed-8259dbb1205b.filesusr.com/ugd/0aff45_64063464f0ce4373a3296e740c92021d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/08175306-c84a-48c2-8fa2-497f32d47889/fujapovaz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/41e1b8bc-00e8-48de-98ef-65e52f34ab2b/the_maze_runner_summary.pdfIn PDF document text
- https://d525ee04-2a40-494f-8ba9-fee52f7b18ee.filesusr.com/ugd/8b8e24_6737f26b06224232aa5fda92c64b4f77.pdf?index=trueIn PDF document text
- https://22e44a25-5b44-49ab-8bd1-9de78d2943b2.filesusr.com/ugd/cce535_352ddcce45a24c09ba1fb77a65031722.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b23516c7-c957-4487-8949-7a4bc4d3f8df/the_last_song_movie_online_free.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_off0000d9fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FB | 5728 bytes |
SHA-256: a5745df01a7a6c97a1575ebd73962e73cd05f5c9fc1df5e815b1c4cf79db546d |
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font_01_sfnt_off0000ed9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9A | 10788 bytes |
SHA-256: 588bb395aabfb3cf518582bebb0bedf4e8b7b082a70326f25eb06e1210a7a79e |
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