MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which are SEO-optimized and hosted on disposable domains, indicating a link farm designed to attract users. The presence of a 'download button' heuristic further suggests a lure to download content. ClamAV detection and ML classification confirm the malicious nature of the file, likely a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://vilenefex.ru/award?keyword=avon+brochure+september+2020+pdf+download PDF link annotation
- http://tawojuxonivix.22web.org/bwv_1007.pdfIn PDF document text
- https://cdn.sqhk.co/xonafelog/ljazoox/roku_service_unavailable.pdfIn PDF document text
- https://cdn.sqhk.co/xasakeza/XRLirwi/allen_theaters_drive_in_las_cruces_nm.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454043/normal_5fdb39b3441d4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485589/normal_5fcdd61f73e62.pdfIn PDF document text
- https://cdn.sqhk.co/rekubapapup/iipdidn/hide_and_seek_2010_parents_guide.pdfIn PDF document text
- http://defulupi.iblogger.org/beekeeper_s_apprentice.pdfIn PDF document text
- https://fawubanine.weebly.com/uploads/1/3/4/3/134321827/38b9ba5092190c5.pdfIn PDF document text
- https://cdn.sqhk.co/nesunarimu/awQLjif/fire_emblem_heroes_resplendent.pdfIn PDF document text
- https://redorofi.weebly.com/uploads/1/3/5/3/135383823/pipurojise.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458633/normal_6010ea12972f8.pdfIn PDF document text
- https://cdn.sqhk.co/gixotagokezu/9vificU/yankee_doodle_keyboard_letters.pdfIn PDF document text
- https://nosuzodudoj.weebly.com/uploads/1/3/4/5/134588086/6001028.pdfIn PDF document text
- https://tiwudusakuwizir.weebly.com/uploads/1/3/1/6/131637104/7463e6b42c4a5.pdfIn PDF document text
- https://cdn.sqhk.co/zelosoza/fW7hhVd/sipaduvub.pdfIn PDF document text
- https://cdn.sqhk.co/bafebolabefo/c1ihjgZ/bmp_design_manual_san_diego.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zidosozawok/5052004050.pdfIn PDF document text
- http://wasizematimom.rf.gd/87884482014.pdfIn PDF document text
- https://s3.amazonaws.com/kisagoz/elections_2019_schedule.pdfIn PDF document text
- http://juwoluvu.epizy.com/how_to_teach_grammar_to_beginners.pdfIn PDF document text
- https://s3.amazonaws.com/tawovojo/jiletimomutubo.pdfIn PDF document text
- https://s3.amazonaws.com/mivokozibu/jorulojokivutanamoto.pdfIn PDF document text
- https://s3.amazonaws.com/wutezigojuxi/chemistry_worksheet_mole_to_mole_calculations_answers.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_off00017aea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17AEA | 5948 bytes |
SHA-256: 7cad81b047fb809cb848dba328dd2bd892c96e8d0e111e33e31f910e43d56c70 |
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font_01_sfnt_off00018f19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18F19 | 10584 bytes |
SHA-256: 2cda90fb932b955491eccc8f486819aa0b335a49697ea0676ee632f467d876ae |
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