MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many pointing to disposable hosting services, suggesting a link farm designed to redirect users to malicious sites. The document body, though heavily garbled, contains text related to unit conversions, likely a lure to disguise the malicious intent of the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://mezovuduw.ru/strik?utm_term=conversi%25C3%25B3n+fracciones+pulgadas+a+mm PDF link annotation
- https://cdn.sqhk.co/pefisemise/igWiixd/love_live_soundboard.pdfIn PDF document text
- https://mamudige.weebly.com/uploads/1/3/0/8/130874639/9d645fd1c214ba.pdfIn PDF document text
- https://cdn.sqhk.co/bitaxukezor/hWHGHja/free_domain_finder_tool.pdfIn PDF document text
- http://dikoxikikalonib.scienceontheweb.net/77511185326.pdfIn PDF document text
- https://tevejokufip.weebly.com/uploads/1/3/0/9/130969131/48780c.pdfIn PDF document text
- https://cdn.sqhk.co/tumowara/jgxKxjc/apple_mp3_player_how_to_download_music.pdfIn PDF document text
- https://cdn.sqhk.co/pibegufuxova/cbGgBhc/77534389680.pdfIn PDF document text
- https://cdn.sqhk.co/disanefamu/hqvgeji/tivesugaj.pdfIn PDF document text
- http://xugaguf.mypressonline.com/mopanegepukaserasulad.pdfIn PDF document text
- https://cdn.sqhk.co/livatunozasu/9K1mdCr/werewolves_2_pack_mentality_maker.pdfIn PDF document text
- http://rejasikega.scienceontheweb.net/fifty_shades_darker_online_popcorn.pdfIn PDF document text
- https://cdn.sqhk.co/xelalizogim/vgdgjEU/gesupikabagujogeveviku.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419847/normal_601f1e0d11600.pdfIn PDF document text
- https://pizizidoto.weebly.com/uploads/1/3/0/8/130873839/bavunulipudiz-fekunatibi-godamuduj-filamup.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418762/normal_6022c7508bdb0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367271/normal_6054c8abe13c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409997/normal_6051673cf34d3.pdfIn PDF document text
- https://cdn.sqhk.co/tezofugowura/gO5gijf/50183750322.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://limoxukuk.atwebpages.com/tipos_de_amenazas_que_se_analizan_en_un_plan_de_emergencia.pdfIn PDF document text
- http://tatesit.myartsonline.com/mawaki.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C4 | 5576 bytes |
SHA-256: e6c7f1983ab2020c66ef1801f4d11a33b1729c660a8b42174e3a92e8bae509ab |
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font_01_sfnt_off0000f46c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF46C | 12528 bytes |
SHA-256: f8468bfdc6e461ce7f65503dcf7c6122ca82efea5fcec257913804c6a029d8ee |
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font_02_sfnt_off00011d89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D89 | 16108 bytes |
SHA-256: df002dda48ffbc6f6385b7668b64d3af09f68fbc2da909ce735eb4157b56ef59 |
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