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 embedded external links, as indicated by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. These links point to various domains, many of which are hosted on disposable or dynamic DNS services, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection further support the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://nipisod.ru/strik?utm_term=how+many+calories+in+burger+king+junior+whopper PDF link annotation
- https://geguxawuxereko.weebly.com/uploads/1/3/1/3/131379712/a4e046f5ccaaa9.pdfIn PDF document text
- http://kind-insta.site/are_bowflex_dumbbells_worth_itgsnqk.pdfIn PDF document text
- http://kirisixifikixon.22web.org/kaximiwarawarise.pdfIn PDF document text
- http://goodxday.xyz/descargar_santa_biblia_reina_valera_1960_gratis_para_celularsph0h.pdfIn PDF document text
- https://wowujagudafu.weebly.com/uploads/1/3/4/7/134751604/7166608.pdfIn PDF document text
- http://merishwheelrecords.com/253885851561wnn4.pdfIn PDF document text
- http://gepexoliv.medianewsonline.com/pimusugonodeguli.pdfIn PDF document text
- http://fojefojegut.medianewsonline.com/androcentrismo_definicion.pdfIn PDF document text
- http://xifasiv.getenjoyment.net/88103358664.pdfIn PDF document text
- https://zetosodorab.weebly.com/uploads/1/3/2/7/132712291/66bb9b5814b.pdfIn PDF document text
- https://rufilepevaga.weebly.com/uploads/1/3/4/4/134444742/3318368.pdfIn PDF document text
- http://greatmasters.biz/alaska_learners_permit_practice_testscvfr.pdfIn PDF document text
- http://mandarin-fruit.space/scales_fx_-_deductive-logical_reasoning_examples81um5.pdfIn PDF document text
- https://lulotabo.weebly.com/uploads/1/3/4/7/134745182/7811104.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
- http://fepirag.epizy.com/avs_audio_converter_free_full_version.pdfIn PDF document text
- https://d70b1dc8-7d09-4148-9854-e6a7cae1b87b.filesusr.com/ugd/5899d5_42f70c30272249bb9d5aa6bfb59c7aa6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ac382532-50a8-43fa-ba07-7d73d1b2ff09/40396552758.pdfIn PDF document text
- https://da4cb982-96ac-4827-b01c-1601b1c9977c.filesusr.com/ugd/b05c40_eb5000210d3542ae98c8e98fd92d806d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c93b3a9e-f695-4bb5-8044-6f3cfd340a91/viledibidavisiwolo.pdfIn PDF document text
- http://bafuwujix.atwebpages.com/catching_fire_full_movie_online_free_123.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd1a6591-6f5a-48fc-abe7-613ff824a412/vumafofi.pdfIn PDF document text
- http://judewal.rf.gd/xuxet.pdfIn PDF document text
- https://574dee49-ee40-4737-ae02-340ce2b26f9d.filesusr.com/ugd/b44cf7_7c1762d026274087847fba9dc794a719.pdf?index=trueIn PDF document text
- https://627f215e-41ba-4aa4-9906-5f9f9d117739.filesusr.com/ugd/8ab72e_ff2d561730524e27a17a29d5b1172a7d.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000edc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC4 | 5584 bytes |
SHA-256: d208e49ba0b09d8dee45e63f4ccbaa60a3569161817a8c855a1893222af6658c |
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font_01_sfnt_off00010097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10097 | 11408 bytes |
SHA-256: 0ddcbeee476b0aa045ed4715b88de2a0d5f4ea8e43fa9177195f7cbee950fae1 |
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font_02_sfnt_off0001276d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1276D | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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