MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The embedded URLs likely lead to malicious content or phishing pages, aiming to deceive users into clicking them.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://leonvi.ru/award?keyword=antibiotic+susceptibility+test+pdf PDF link annotation
- https://cdn.sqhk.co/gowozepugax/ghfijcZ/tisevajobifu.pdfIn PDF document text
- http://fatimuze.22web.org/how_much_was_gas_in_september_1986.pdfIn PDF document text
- https://wovovude.weebly.com/uploads/1/3/1/3/131397940/gubowu.pdfIn PDF document text
- https://terifebi.weebly.com/uploads/1/3/2/8/132815785/kuvuvopozelo-xiderit-matumi-tewamajok.pdfIn PDF document text
- http://fisujerekuvij.getenjoyment.net/jugafipulaluludor.pdfIn PDF document text
- https://kitedagipan.weebly.com/uploads/1/3/4/8/134892955/tujumavekekive.pdfIn PDF document text
- https://cdn.sqhk.co/birenejar/jayFggd/61093117588.pdfIn PDF document text
- https://cdn.sqhk.co/nugizape/hgffOjC/lip_liner_tattoo.pdfIn PDF document text
- https://bulireta.weebly.com/uploads/1/3/4/7/134727307/388f648dda87.pdfIn PDF document text
- https://cdn.sqhk.co/zoluwumenad/ichcxuL/joxujimuserusigorudip.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://299bc67c-4c9a-44ea-852c-18f2d39dca40.filesusr.com/ugd/954c8b_95eaa9f7886544c0856991f1f056cf69.pdf?index=trueIn PDF document text
- https://30621b86-6952-4b41-80af-4d24d830bc7c.filesusr.com/ugd/122077_e33b6f01513c40b78084838470cb5a01.pdf?index=trueIn PDF document text
- http://zekezixurul.onlinewebshop.net/44970061597.pdfIn PDF document text
- http://vezifapix.epizy.com/chemistry_density_calculations_worksheet_answers.pdfIn PDF document text
- http://nuxewetim.rf.gd/corso_armonica_diatonica.pdfIn PDF document text
- https://5f8b0e40-2141-4341-98ab-6145db4b8156.filesusr.com/ugd/2072cd_b23850b2d41140088318522e7e703657.pdf?index=trueIn PDF document text
- https://f8b2de7a-6012-4721-b8f1-df5267d6bb95.filesusr.com/ugd/8ebb60_0fe9c13280434686beb54cf901c8d090.pdf?index=trueIn PDF document text
- https://7c3dd69e-6649-485e-b385-36acc2971cd6.filesusr.com/ugd/cf9ff1_b6bfb4f3a37c4485a3984ba050df78f0.pdf?index=trueIn PDF document text
- http://mipolerabafobe.epizy.com/what_is_the_neo_personality_inventory_test.pdfIn PDF document text
- https://e8f98835-b194-42a5-b43f-fe2f29920dd6.filesusr.com/ugd/bf650e_06c2ce60caea4d0c9915f3a65dc9c976.pdf?index=trueIn PDF document text
- https://d2ea4bfc-f92a-4379-acf2-d9b69981ddb7.filesusr.com/ugd/739437_c9a6ed93eede49cdbc1ae178ab7c75e4.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_off0000e744.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE744 | 5076 bytes |
SHA-256: 493d5544cedfb227e202883e7196c700a8fab0c4241de79b1199f30db33696d4 |
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font_01_sfnt_off0000f8ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AB | 11432 bytes |
SHA-256: 4e01f38205b0cd97b2fd5a319539c94a9a322b0eb19c41c025faed6847b50e37 |
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