MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing a large number of external links, many hosted on disposable domains, indicative of a link farm or SEO manipulation tactic. ClamAV detected it as Pdf.Phishing.Trojan, and ML classifiers also flagged it as malicious. The embedded URLs suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://botokaw.ru/award?keyword=caroling+caroling+pdf PDF link annotation
- https://cdn.sqhk.co/gizukakom/jHKMjhj/jujutogejakube.pdfIn PDF document text
- https://cdn.sqhk.co/daxegajok/hg1iiqC/76754356883.pdfIn PDF document text
- https://cdn.sqhk.co/ligumorik/higgijk/diwozivenekusu.pdfIn PDF document text
- https://cdn.sqhk.co/pilozarager/hifhjih/whispers_of_a_machine_walkthrough.pdfIn PDF document text
- http://belldiscount.ru/9239610762ufwi5.pdfIn PDF document text
- http://stroy-level.ru/delonghi_room_air_conditioner_costcotypz0.pdfIn PDF document text
- https://cdn.sqhk.co/gobajejuz/g2QvjgS/rarenasukinajelil.pdfIn PDF document text
- https://cdn.sqhk.co/kodivitedi/fjgexid/wokaxerifarafutopivuda.pdfIn PDF document text
- https://rekeboko.weebly.com/uploads/1/3/4/8/134899800/dezafet.pdfIn PDF document text
- https://ruxunomitebapat.weebly.com/uploads/1/3/1/6/131606858/kirimug_kiganu_wawejowugometi.pdfIn PDF document text
- https://cdn.sqhk.co/rewakevutel/jazjdGH/rimukadudigitad.pdfIn PDF document text
- https://redoperi.weebly.com/uploads/1/3/4/6/134686713/jepokebim.pdfIn PDF document text
- http://mkuu.club/92200860089qneor.pdfIn PDF document text
- https://pemugaladesav.weebly.com/uploads/1/3/5/3/135307247/9fe564a65e9280.pdfIn PDF document text
- https://nokurujifeseg.weebly.com/uploads/1/3/4/3/134355409/xuviwu_lujewoxuvasa.pdfIn PDF document text
- http://gufutaca5.xyz/criminalistics_an_introduction_to_forensic_science_13th_editionywis0.pdfIn PDF document text
- http://subfamjtii.site/cyberpower_cp1500pfclcd_pfc_sinewave_ups_system_review8v1f4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6f81cef9-66a2-447d-9e1d-4c0427ef15c5.filesusr.com/ugd/4d935e_0ccba27b61c844579fe88d23e1fa23aa.pdf?index=trueIn PDF document text
- https://e824aeac-d22a-4b45-bb3c-17051d6ee04f.filesusr.com/ugd/de60da_764a0d9fd69043fcbcfe7e5bdd0c410c.pdf?index=trueIn PDF document text
- https://be9c8297-50e9-4ec8-be22-7cc4068ef96a.filesusr.com/ugd/fc3b0b_881ddecec46849eeb408ed033188e755.pdf?index=trueIn PDF document text
- https://ca483b97-61ac-4196-bca0-6b249c18eca9.filesusr.com/ugd/b27199_36fbb609513d4c9da864e3046726b9c0.pdf?index=trueIn PDF document text
- https://d99d9bf7-a5e0-49f2-90ac-0d1bc881463d.filesusr.com/ugd/0182ef_4af1cfffec4c488f8be539720191c342.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
- 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_off0000e882.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE882 | 5048 bytes |
SHA-256: 2178981bc2882759d6574f679fcf8a5aedaf85dc050e3b3cfbf400a43d30a378 |
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font_01_sfnt_off0000f9bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9BD | 11040 bytes |
SHA-256: 99f9fd0969199471a816001da311afd6bb9b66e5a707a1ec2cc4046fbb04d4df |
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font_02_sfnt_off00011f83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F83 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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