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 0.9991
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/aws?utm_term=data+structures+and+algorithms+in+java+tutorial+point PDF link annotation
- http://roboludawu.mywebcommunity.org/what_does_critical_thinking_in_nursing_entail.pdfIn PDF document text
- http://otomail.business/rituals_of_memory_analyzing_the_text_answers8ug4j.pdfIn PDF document text
- http://copyright-notice-ig.com/how_long_do_elimination_diets_take_to_workeg17d.pdfIn PDF document text
- http://fukuzowi.sportsontheweb.net/pagalapux.pdfIn PDF document text
- http://zathkatow.xyz/reset_ink_pad_epson_l5190kqnet.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ec679cc6-872a-45a8-b2fd-b1bc8f6ddb77.filesusr.com/ugd/d1d005_bd62eb49a72446208c230e3daf302638.pdf?index=trueIn PDF document text
- https://04a80c79-134c-446e-801b-0c1635678e59.filesusr.com/ugd/5cebf8_6ec25f82de9f45d097db0153579eccb9.pdf?index=trueIn PDF document text
- https://3bdad275-8828-414d-9063-9532e035d791.filesusr.com/ugd/c67d0c_0c016fc57ce1469998a082197237279e.pdf?index=trueIn PDF document text
- https://29159626-56e2-4eb2-a8c1-eb081f451e44.filesusr.com/ugd/a58502_fad8ccbd05bf4a3097c646050fe5b685.pdf?index=trueIn PDF document text
- https://e432c3f7-acc0-403b-bc7f-1b8c16782643.filesusr.com/ugd/6a4899_d25d03a51adc4e76b63388627f3c57e9.pdf?index=trueIn PDF document text
- https://cf268418-7549-4780-9cff-e39e61b5276c.filesusr.com/ugd/0b1cf2_e0d9361dfceb4a59bc3b366a2e3721ee.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xamapebonijos/belkin_n150_wireless_router_firmware.pdfIn PDF document text
- https://9539e3d7-93ad-434a-85ac-22bd9bdb82bb.filesusr.com/ugd/df7b34_bf48d1e8e5ea46bbb7131523c880c89d.pdf?index=trueIn PDF document text
- https://413f70bc-0247-4a04-a3fc-eabb14e2b93f.filesusr.com/ugd/f18ee6_b10bb39472504283b990122cf084859b.pdf?index=trueIn PDF document text
- https://d1ced4a1-fa29-4c66-b583-77209f32159a.filesusr.com/ugd/c88d8b_49c2059796d94e6684b6d2da391de8b8.pdf?index=trueIn PDF document text
- https://8e12fe21-47c1-448c-af9e-883e7c84523b.filesusr.com/ugd/52ac5e_94f054ad85b049dfbcd77010ae6588d6.pdf?index=trueIn PDF document text
- https://b64dd490-e5b9-492f-89ff-e398ecee904c.filesusr.com/ugd/5926b4_6d76ab35c23f4243ac6a585efc5a61ec.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fejififimaketo/77364422777.pdfIn PDF document text
- http://furunes.onlinewebshop.net/56376890260.pdfIn PDF document text
- https://ea74ff18-003d-4094-8454-8d7e15e33abb.filesusr.com/ugd/50de67_1c5c3ae8742c4738a3f5c783eb0e8446.pdf?index=trueIn PDF document text
- https://ac65beef-1c88-4b01-a948-251493ed82f2.filesusr.com/ugd/09857b_9c5dff331e814f4bbc1fedbc2e315b81.pdf?index=trueIn PDF document text
- https://e028ba52-6c86-493e-86b7-fecf7cd1c3eb.filesusr.com/ugd/bcb9fd_93031750344f4d1fbe17938374cd13d8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jifesu/extra_episode_8_worksheet_answers_french.pdfIn PDF document text
- https://18cceff7-6d50-42ec-9d85-67184b61345e.filesusr.com/ugd/8c2e83_feb7a265fbca4609a64569ba598444b9.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC18 | 5624 bytes |
SHA-256: 1998d6667f8f2a62daaa9aeb02b82849f0126a1d75d74246f8489f951bd58b96 |
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font_01_sfnt_off0000ff1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1F | 10448 bytes |
SHA-256: 0cb887351629b2f0b9eda3b121e185163e89ee507f77aea5737361957eae4c25 |
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