MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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/123?utm_term=plant+like+protists+worksheet PDF link annotation
- https://cdn.sqhk.co/lekifuwixal/mg4vhic/acca_f3_lectures_free.pdfIn PDF document text
- https://cdn.sqhk.co/wupifufexix/ijfTTGz/30343706143.pdfIn PDF document text
- https://cdn.sqhk.co/tilafukefuwe/hRd8oja/gejiviwusumupe.pdfIn PDF document text
- https://cdn.sqhk.co/tosilura/hjjfjej/61510917128.pdfIn PDF document text
- http://xojerodisus.22web.org/afro_blue_sheet_music.pdfIn PDF document text
- https://cdn.sqhk.co/kagaxavog/dSjaFlx/goat_simulator_goatz_trophy_guide.pdfIn PDF document text
- https://cdn.sqhk.co/jimavidozeze/biaieuz/rupep.pdfIn PDF document text
- https://cdn.sqhk.co/rizinutix/he5iijB/54395001388.pdfIn PDF document text
- https://wetexojozow.weebly.com/uploads/1/3/0/7/130740218/lerakezubezazaviv.pdfIn PDF document text
- https://cdn.sqhk.co/gelowidabik/aw2vHhP/forgotten_realms_calendar.pdfIn PDF document text
- https://nunipotewisi.weebly.com/uploads/1/3/4/8/134892443/bolipuravigox.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wezukep/simbolos_diagrama_de_flujo_ejemplos.pdfIn PDF document text
- https://s3.amazonaws.com/begijufadi/2912447201.pdfIn PDF document text
- http://tovivefi.rf.gd/quickbooks_inventory_reorder_report.pdfIn PDF document text
- https://fab88ded-2f12-46c9-b6ec-f290036286cc.filesusr.com/ugd/cce69c_62e3ca97280e411699984195cf1e03f1.pdf?index=trueIn PDF document text
- https://28932ed2-21d9-4123-99cb-fcff0aac4472.filesusr.com/ugd/cc089a_32059e49d6ab440690016dbde12b46d5.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zodererezuzuxi/2003_dodge_durango_headlights.pdfIn PDF document text
- https://s3.amazonaws.com/wupagivoz/15537483480.pdfIn PDF document text
- https://s3.amazonaws.com/zexozavo/audacity_for_windows_7_full_version.pdfIn PDF document text
- https://c039f79f-855f-4b64-8838-30138aeea086.filesusr.com/ugd/6b78cb_f94d4027872b4ac28ab2675a890dd728.pdf?index=trueIn PDF document text
- http://golujaxi.epizy.com/komutinidut.pdfIn PDF document text
- https://a819be37-316e-4347-83bc-b067fb6953c8.filesusr.com/ugd/d5662a_ee613fedf35a440290152115f9ecf3e8.pdf?index=trueIn PDF document text
- http://rutozaduv.epizy.com/zezatupipu.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_off0000e509.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE509 | 5064 bytes |
SHA-256: f31ab482c6125452060c11f951b62fd87c0f45f8f5de70ff16095e87efa04156 |
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font_01_sfnt_off0000f64d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF64D | 10776 bytes |
SHA-256: 1d61fce8fd3b0d4d6a2dd5c5ce361f37444a7024f6160bb5befbc6af159589d5 |
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