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 0.9992
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://jacksth.ru/strik?utm_term=como+hacer+un+horario+de+clases+para+ni%25C3%25B1os PDF link annotation
- https://waruzakelejabu.weebly.com/uploads/1/3/4/6/134600446/kivixud_mosuzalumulen.pdfIn PDF document text
- https://bobusenig.weebly.com/uploads/1/3/4/8/134866704/d3c744d2119.pdfIn PDF document text
- http://bugilinupapud.mygamesonline.org/polirepapawod.pdfIn PDF document text
- https://garowenin.weebly.com/uploads/1/3/4/6/134662298/disuragoxerobosorux.pdfIn PDF document text
- https://cdn.sqhk.co/kukusagufo/ijBgfjc/railway_empire_ps4_guide.pdfIn PDF document text
- https://cdn.sqhk.co/tomubozes/bBhcgfi/dog_robot_transform_real_drone_robot_wars.pdfIn PDF document text
- https://kavejujutafen.weebly.com/uploads/1/3/6/0/136022690/fosujalilut-lokunidow-vekiga-xiripu.pdfIn PDF document text
- https://cdn.sqhk.co/temududote/jisZZjz/burgerology_drink_menu.pdfIn PDF document text
- https://cdn.sqhk.co/lokiwejawe/lNHChj7/37364782737.pdfIn PDF document text
- https://guxisawupejova.weebly.com/uploads/1/3/0/8/130814058/mutitigari.pdfIn PDF document text
- http://nejevefivi.mypressonline.com/awk_tutorial_download.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://356bbf58-84af-4bff-99a9-d03346e46411.filesusr.com/ugd/b5472a_e2b7116d9d4346b580a5d4df7655936e.pdf?index=trueIn PDF document text
- https://8650d040-a33d-467d-a608-6706f181f11b.filesusr.com/ugd/61b8bf_618b5969cc4d4facac7416e565b8977a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dekogamik/32088720339.pdfIn PDF document text
- https://fa90eb46-aa9b-4fd1-a2e8-e903ec8e50a4.filesusr.com/ugd/575fb0_35afe95cdc3e44d8a2068cc86af0c3b3.pdf?index=trueIn PDF document text
- https://e9593579-f51f-4dc6-af55-2543ab512b45.filesusr.com/ugd/37952c_82bc8f10a305438faf745e21a652e40d.pdf?index=trueIn PDF document text
- http://riveminigokoxa.myartsonline.com/placer_gold_deposits.pdfIn PDF document text
- https://584dc5e1-4449-4bca-b3d9-d0e1fa08a972.filesusr.com/ugd/185caa_d18062a741ad495899588525d5f387f3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pesetufavo/can_bus_tutorials.pdfIn PDF document text
- https://s3.amazonaws.com/sizabo/tisonokavabizunad.pdfIn PDF document text
- https://143c7e3e-1a56-4739-9c24-5aac26b0263b.filesusr.com/ugd/28d7c1_5c609be74e0745ef82b49cacf56a980c.pdf?index=trueIn PDF document text
- https://5c90cfa9-af55-48e2-9430-1f3580382729.filesusr.com/ugd/e2b09b_7867ecf0969f4d42b3f802ddf50596c5.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vavejijitatofu/79788696229.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_off0000fe4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4D | 5428 bytes |
SHA-256: 8b3d94465d1a0e447931249082f9244fd51bdebdde6b1f59187e8c651b31eed2 |
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font_01_sfnt_off0001104e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104E | 12252 bytes |
SHA-256: 1712b6052727d68264f2c3f70f2087c1a255f137d0d58625ee1783a914204420 |
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