MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO spam operation. The embedded content, though heavily obfuscated, likely serves to redirect users to these malicious sites, potentially for further exploitation or credential harvesting.
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://golowaki.ru/strik?utm_term=epson+artisan+810+clean+print+head PDF link annotation
- http://justamorem.com/sony_a230_review0cxtq.pdfIn PDF document text
- https://dabefetuxof.weebly.com/uploads/1/3/5/3/135320161/lezigoki-xidenum-zovipudesaxali-megopipase.pdfIn PDF document text
- https://togimapobeno.weebly.com/uploads/1/3/4/6/134649298/8562767.pdfIn PDF document text
- http://nomudepalak.medianewsonline.com/feelings_and_emotions_worksheets_for_kindergarten.pdfIn PDF document text
- http://lobulezinovux.medianewsonline.com/area_and_perimeter_of_irregular_shapes_worksheet.pdfIn PDF document text
- http://tafuxasomup.getenjoyment.net/62772293062.pdfIn PDF document text
- http://white-x.fun/6003448407a9oty.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://87164119-88a6-4d6d-a72f-b109cf2d88b9.filesusr.com/ugd/bd0a66_54abea0c011345a98db37cbb98e0a45c.pdf?index=trueIn PDF document text
- https://0f8fedcd-12c0-4678-86f8-e2bff7269121.filesusr.com/ugd/70e7d4_1825b03facb94af0b5264bc388ec89ba.pdf?index=trueIn PDF document text
- https://95043331-d9de-4498-ad98-35b8ac3ee23f.filesusr.com/ugd/5740b2_349839e4b14740349064acada8973569.pdf?index=trueIn PDF document text
- https://c0771fee-1ba5-4dbf-bba5-a775c3d44c03.filesusr.com/ugd/544e7e_ba9d1a3dc50a449d86f1f7dd4d6ec935.pdf?index=trueIn PDF document text
- https://b81e1767-bb0d-4562-9f98-cfef66859bb1.filesusr.com/ugd/b48b60_bd6aa1990ee9404bb64635174a195ae4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rurosaveruk/how_to_setup_elgato_hd60_switch.pdfIn PDF document text
- https://ea0a6730-5b47-42bc-899c-5b27b21b32ea.filesusr.com/ugd/184298_3ac77db41f514fe990e8708b2dd2d50e.pdf?index=trueIn PDF document text
- https://77483064-5892-4b52-b419-66e751946b77.filesusr.com/ugd/ef7b09_2e5fa98ff5854f1e8a6ebb4f3e737c87.pdf?index=trueIn PDF document text
- https://43e59f28-96d7-4988-bcd6-55bc25f76e69.filesusr.com/ugd/372bdc_2c367c48cae74da098a498f4386f8b2e.pdf?index=trueIn PDF document text
- https://0f926834-650c-4d5a-b53c-ad60ae412ccc.filesusr.com/ugd/6a44d8_fa870e4f55134970a97a40f91ec19214.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nuxulikiwab/cafe_maitland_information_centre.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_off0000fa69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA69 | 5292 bytes |
SHA-256: 336a75548d6e2270f5951a3ef8b8fe47224a4ca8e2c0483c439159ed5c049e71 |
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font_01_sfnt_off00010c52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C52 | 11260 bytes |
SHA-256: e3271f8a61491e9514aa91b57c401ca275c640d2efc58cc1605f497536cae7ee |
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font_02_sfnt_off0001327b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1327B | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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