MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or scam document. The 'SE_CALLBACK_LURE' heuristic indicates the document likely prompts the user to call a phone number in a context of billing, refund, or security issues, which is a common tactic for callback phishing and tech support scams. The presence of numerous external links, many pointing to disposable hosting, suggests a link farm designed to redirect users to malicious sites, potentially for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 7
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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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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 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://zajinet.ru/award?keyword=canales+de+comercializacion+definicion+pdf
- http://segaruzobuguses.scienceontheweb.net/ge_money_bank_customer_service_phone_number.pdf
- https://pawiwojofidinof.weebly.com/uploads/1/3/4/4/134458390/ribobiratirujom.pdf
- https://static.s123-cdn-static.com/uploads/4490266/normal_5ff84e959782e.pdf
- https://wovupidej.weebly.com/uploads/1/3/4/6/134687137/4471223.pdf
- https://cdn-cms.f-static.net/uploads/4471995/normal_602efccf4cebe.pdf
- http://vofamewa.22web.org/album_gana_song_tamil.pdf
- http://xariketixagat.mypressonline.com/mechanics_of_composite_materials_jones_download.pdf
- https://cdn.sqhk.co/dajebala/gEidEF0/62476769152.pdf
- https://lipuxavevafip.weebly.com/uploads/1/3/1/3/131398459/42deb21c013433c.pdf
- https://cdn.sqhk.co/xosuridasago/WEhgZau/bolinelojujeximezomum.pdf
- https://tefovaxosu.weebly.com/uploads/1/3/1/1/131163863/5219590.pdf
- https://static.s123-cdn-static.com/uploads/4472221/normal_5fdedf87ed0b5.pdf
- https://cdn.sqhk.co/sobetevod/vjbjdDI/vagoludevanurizupixifip.pdf
- https://static.s123-cdn-static.com/uploads/4426416/normal_5fcdbc7d4ad0a.pdf
- https://cdn.sqhk.co/mepowokugo/rjbhciF/girl_kicking_soccer_ball_gif.pdf
- https://static.s123-cdn-static.com/uploads/4419235/normal_6007d81533f93.pdf
- https://nububoreral.weebly.com/uploads/1/3/4/4/134467099/3152224.pdf
- https://cdn.sqhk.co/sanevujaguda/jaMLEha/55470159417.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://42e65457-ec34-4553-8979-78b6e302f774.filesusr.com/ugd/f1976d_4e00e53e925f4aebae2e0d5c88145a7a.pdf?index=true
- https://9a89a7da-ede3-42eb-a537-7416be21eb2d.filesusr.com/ugd/aaaf79_fc25445cb8d748299e5856ff5a6eb463.pdf?index=true
- https://3d5b2cfc-74f5-4c02-8466-0d369b02955c.filesusr.com/ugd/69b86f_4dbb1fe18cb744b08a3966f5300e5646.pdf?index=true
- https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_ee37b9d70a9247f2813c2c15bd25c64d.pdf?index=true
- http://kotokadi.rf.gd/sharp_aquos_quattron_troubleshooting.pdf
- http://kipazafar.atwebpages.com/73763457508.pdf
- http://zenerunikojovo.epizy.com/razevetonomuworoguv.pdf
- http://pepebejawu.epizy.com/descargar_busuu_premium_apk_gratis.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fe78.bin6f721db035b48988bc0ec448c794921577d7f3548fe40e0812ee56a2bd7221eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE78 | 5256 bytes |
font_01_sfnt_off00011048.bin43db2b93ccda9419662b03bae08b51e08c8e25182823c8a431844def5abc6716 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11048 | 10552 bytes |
font_02_sfnt_off000132eb.bin4b52fd5da643d9c08cc0a86f773b2f024e3274f3f861dfcac100db1ef433cf06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132EB | 16164 bytes |
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