MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by both ML classification and ClamAV, with a specific detection signature indicating it's a phishing trojan. The heuristics reveal it functions as a link farm, embedding numerous external URLs, with a primary focus on SEO-related keywords. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'makalah amebiasis pdf', suggesting a potential lure or disguise for the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://soxebez.ru/award?keyword=makalah+amebiasis+pdf PDF link annotation
- http://zipafaxelati.sportsontheweb.net/43158445942.pdfIn PDF document text
- http://vitonidero.medianewsonline.com/rozod.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488314/normal_5ff25640bda37.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392862/normal_5ffb98029b956.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470391/normal_604122c59cb57.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465389/normal_602c1f93a1ec5.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/22ec4c72-49e2-4d15-852d-4f03ce0da090/how_do_i_setup_my_tp_link_ac1200_wifi_extender.pdfIn PDF document text
- http://wufagezigedo.onlinewebshop.net/nobody_mean_more_to_me_than_you_summary.pdfIn PDF document text
- https://121f8fc1-d270-4171-a721-8ccd656fc20f.filesusr.com/ugd/2ca22b_ab08fa7d0e8f49c1afda86c0c06f04b6.pdf?index=trueIn PDF document text
- http://pajupevezujugut.atwebpages.com/xujaxemudebepuw.pdfIn PDF document text
- https://d6aab468-caab-4d9e-910f-d3bf64ae4104.filesusr.com/ugd/5438e3_cd2da3ec1cb14dccaef4698231c4b11f.pdf?index=trueIn PDF document text
- https://bcd7deca-fd5d-492b-a220-d373ca515bc9.filesusr.com/ugd/12f4eb_a7610f50ff004da39e9bbf20e00c824e.pdf?index=trueIn PDF document text
- http://benamow.myartsonline.com/roland_tr-808_user_manual.pdfIn PDF document text
- https://2c549fd3-bbcc-4e43-aea5-84609313cfd4.filesusr.com/ugd/c162b3_4b2a8e148ea14bef96ac34bbb740eddf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cd8dcc2d-8e1c-46e0-b665-091212565f93/the_norton_anthology_of_world_literature_3rd_edition_volume_a_b_c.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd4f7047-6456-4f7c-800d-9cab334249c3/jubanuzob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/115937a5-5b15-4da8-9245-f7e2f51f3c98/how_much_does_it_cost_to_change_a_heat_exchanger.pdfIn PDF document text
- https://1b15a19f-c8c2-4d9d-8c2f-e97aa7ecfe2c.filesusr.com/ugd/eb6c48_6d8a62383a36438e8bf1925d7fe0893e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/29548557-0516-4373-86b9-960a0502c684/blue_jackets_hockey_reference.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9a85f42-30a7-4f15-818f-ee3db58057c7/what_is_the_number_1_marvel_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/37c28bbd-439e-4490-9ce2-3a74e37fda94/after_we_collided_full_movie_free_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a9b56c59-c168-4cec-848a-87b1658ab2e4/18031964685.pdfIn PDF document text
- https://b5b764bc-4fc6-48d7-9a4b-423a4d05f225.filesusr.com/ugd/3f2390_f7b0d25bb0194b35841da9c746144cf8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cc1916b9-3bdb-4c65-bf57-553bb2ea1a08/once_a_runner.pdfIn PDF document text
- https://f64a1a0a-debf-4843-a838-a34c0cae0f4a.filesusr.com/ugd/89602e_e39f6ad51292417eba1bd2b0f8418842.pdf?index=trueIn PDF document text
- https://a819be37-316e-4347-83bc-b067fb6953c8.filesusr.com/ugd/d5662a_e96bad324be541d9969698ad3b96c9bf.pdf?index=trueIn 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001159f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1159F | 5396 bytes |
SHA-256: 3fb321032837f9df1f5b9a3de26cfa0c25c2fb432644f45d7cdb3a08c2adba4c |
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font_01_sfnt_off000127d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D9 | 12196 bytes |
SHA-256: 019e89f8315de4e3898c38480227a1b83015f39d9bf41b3220b39870db7b3194 |
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font_02_sfnt_off00014fa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FA6 | 16060 bytes |
SHA-256: 503f5200e83b189a546b6c6e1d808633a9135186956fe76ff9bd78de3d91e3c6 |
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