MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many pointing to disposable domains and Weebly-hosted PDFs, indicating a link farm or SEO spamming operation. ClamAV and ML classifiers identify this as a malicious phishing trojan. The embedded URLs and the heuristic firings strongly suggest this document is designed to lure users to malicious content or exploit kits.
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://lozipotod.ru/award?keyword=blogs+de+libros+descargar+pdf PDF link annotation
- https://rofaxebawo.weebly.com/uploads/1/3/4/7/134750080/wufizazob.pdfIn PDF document text
- http://nokiwurugibub.mypressonline.com/tecnicas_de_dibujo_arquitectonico.pdfIn PDF document text
- https://xodozevonewoze.weebly.com/uploads/1/3/1/3/131384462/mezaraw.pdfIn PDF document text
- https://solazipakiku.weebly.com/uploads/1/3/4/5/134509697/370342.pdfIn PDF document text
- https://cdn.sqhk.co/rozesivotix/fdhcUx8/oklahoma_state_parks.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402504/normal_5fd19b83a33b8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4502178/normal_5fcb5e64b0f47.pdfIn PDF document text
- http://ralugugifoxatir.scienceontheweb.net/copaxone_prescribing_information.pdfIn PDF document text
- https://cdn.sqhk.co/zimopaji/Lgfhjhi/teachers_federal_credit_union_merrick.pdfIn PDF document text
- https://cdn.sqhk.co/jisofoxabap/isKLifE/solitaire_for_mac_os_10._4.pdfIn PDF document text
- https://cdn.sqhk.co/nupegefozub/hdcIhjh/notification_sound_iphone_6_download.pdfIn PDF document text
- http://jepisafidezegun.scienceontheweb.net/pic_assembly_language_tutorial.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456996/normal_602aa97b918d3.pdfIn PDF document text
- https://cdn.sqhk.co/sejejajoxej/jhyPJgj/28334259948.pdfIn PDF document text
- https://nefosedinipal.weebly.com/uploads/1/3/4/6/134698739/c2b6759f27a.pdfIn PDF document text
- https://nenovalo.weebly.com/uploads/1/3/2/7/132712003/b3c25b.pdfIn PDF document text
- https://nuzaxegef.weebly.com/uploads/1/3/4/8/134857273/tutifesiwesokunekupe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416789/normal_6016a9dfefda7.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
- https://32cf4326-ba62-484c-a3ca-05d02c2dd2e5.filesusr.com/ugd/0b46e6_5e37295cac2745b08f185abd7419c187.pdf?index=trueIn PDF document text
- https://68f2566a-c586-4d15-a5d1-3a72044c38f3.filesusr.com/ugd/ecec20_9d4c35c2fb304e11ba5b42a8b1040034.pdf?index=trueIn PDF document text
- http://xujided.onlinewebshop.net/clasificacion_bethesda_cacu.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001206a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1206A | 5116 bytes |
SHA-256: 140f666045c7bee7a678b82906d3e8f47efc2ef3b4d11c41a667a836263eb646 |
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font_01_sfnt_off000131cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131CC | 1852 bytes |
SHA-256: 56aab820b277fdf963b63e44449d48a133a00416359e3e985ce6bc113c31a6dd |
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font_02_sfnt_off00013abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ABD | 12932 bytes |
SHA-256: 6ce05bcb9841adbf948260e8de2895b6e9759eba77c5f972c208372ad772cb1b |
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font_03_sfnt_off00016432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16432 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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