MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, and one specifically targets a search term for 'whatsapp plus latest version 2021'. This indicates a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=whatsapp+plus+latest+version+2021 PDF link annotation
- https://vatuwogumim.weebly.com/uploads/1/3/4/6/134605764/9fbc25.pdfIn PDF document text
- https://siresikewutawin.weebly.com/uploads/1/3/0/7/130739490/9744733.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407789/normal_60411e86c2508.pdfIn PDF document text
- https://tivumujodul.weebly.com/uploads/1/3/4/6/134608740/fazupodobaz.pdfIn PDF document text
- https://judiwufafa.weebly.com/uploads/1/3/3/9/133999980/f4cc12.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455914/normal_5ff660e61f94a.pdfIn PDF document text
- https://pinosapop.weebly.com/uploads/1/3/4/1/134131344/8059416.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447649/normal_5fc6653e7a961.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366360/normal_5fe276c9c9ee0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444623/normal_6060f131e51f8.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://uploads.strikinglycdn.com/files/926f6368-6295-4265-9cc9-5c9966910cba/kosugudaxozenobifivipi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c98f0d0-2436-4cc8-9706-fe115f7918d8/860675252.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d9e23fe5-a6ff-46a8-961f-68f986f20490/nabaxuzovetuwubozesowexo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa1c09c7-1f21-4ac5-bb28-01a896fbc18f/34362118478.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed054646-2ef0-413d-9b79-0c1088a67192/90024149474.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/91c3d9f2-5edc-434a-9a50-d062ba5bde6e/sakuwuvuritagariz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2df8db79-e191-400a-a031-9263e08c431b/how_to_use_a_round_crochet_loom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99270e49-8c86-4fd2-82a0-f6d7983e8378/ge_gas_oven_will_not_light.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB9 | 5188 bytes |
SHA-256: 92646b129c696b1958c4f120dbbc030ebcaf4d5725da86e242f13eee48d521e2 |
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font_01_sfnt_off0000ef68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF68 | 10640 bytes |
SHA-256: 6a1ae0e0f3a6acefd20b64bf8eb90c2257659bbfb6bfa552c6c66d41c2559cb8 |
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font_02_sfnt_off0001138d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1138D | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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