MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, indicating it functions as a link farm. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this is for SEO manipulation or to direct users to potentially malicious sites. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or redirection tool.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://bologen.ru/wix?keyword=boris+malenko+vs PDF link annotation
- https://cdn-cms.f-static.net/uploads/4481540/normal_5fd7a7a3d8199.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418590/normal_600aecca2e504.pdfIn PDF document text
- http://vuzuwul.getenjoyment.net/how_to_study_for_teas_test_2019.pdfIn PDF document text
- https://kozutimisomu.weebly.com/uploads/1/3/5/9/135982974/mujiwuzumexasuj-tumogobudiwadu-nixodi.pdfIn PDF document text
- https://lerozezowigex.weebly.com/uploads/1/3/0/7/130776164/vogawedi-fekebutajo-zatum.pdfIn PDF document text
- https://lizodeva.weebly.com/uploads/1/3/5/3/135342900/xuwofode.pdfIn PDF document text
- https://kupifibadobibe.weebly.com/uploads/1/3/4/5/134512214/8200947.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413363/normal_5ff188ed0f75b.pdfIn PDF document text
- https://dojibabebane.weebly.com/uploads/1/3/2/6/132682208/degetozideri.pdfIn PDF document text
- https://nolipugi.weebly.com/uploads/1/3/4/6/134652161/e631843.pdfIn PDF document text
- https://xamoxuwubedus.weebly.com/uploads/1/3/2/8/132814415/veburabi.pdfIn PDF document text
- https://kirobobu.weebly.com/uploads/1/3/4/5/134593563/pekafagaxodi.pdfIn PDF document text
- http://lamanixumerad.mypressonline.com/prepositions_of_place_exercises_elementary.pdfIn PDF document text
- http://xevusezes.medianewsonline.com/12382568766.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/15cc51da-80f3-44cc-8a52-f72d66d2cc16/xebagefimofafisuf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a013f223-59ca-401e-84d8-5b5468ebe636/bryant_plus_90_furnace_problems.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b62ef96b-e06a-44b1-a8ef-f916d004f854/does_a_w_on_a_transcript_look_bad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49888a92-5dd0-40d5-8518-7c497d818c36/what_can_i_clean_my_car_interior_with.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/40996c86-b21f-4b45-a4e2-95b7c8901d21/kijafolexa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb1b3157-7bcf-4856-9908-2b6192436be1/tipos_de_sistemas_operativos_funciones_y_caracteristicas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4eb744af-ddd0-48eb-ad20-c18e2343400c/lcm_worksheets.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/137822a3-1e67-483f-8b29-f18a41661561/xalesezutapon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/568dbd26-f482-48cd-9488-f7424fd35ab2/mxq_amlogic_s805_custom_firmware.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_off0000fbe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE5 | 5004 bytes |
SHA-256: 73f4f1f650bced3409cbf3c8b3d507852ac7cb64926d855358d27602084a8a8a |
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font_01_sfnt_off00010cd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD0 | 12340 bytes |
SHA-256: e016a0bae3dc1e86cb0f8a052ba91ac929760f6bc11fa2e376e67e3c14cd101b |
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