MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, indicating it functions as a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The presence of numerous external links, including those on disposable hosting, points towards a tactic to obscure the ultimate destination or to manipulate search engine results.
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://midufefew.ru/award?keyword=telugu+letters+practice+sheets+pdf PDF link annotation
- https://cdn.sqhk.co/wibepudib/eqgfVii/chess_online_uptodown.pdfIn PDF document text
- https://lopamazaveseku.weebly.com/uploads/1/3/4/6/134643240/juwelelo_xadititegi_pekufibojebuk.pdfIn PDF document text
- https://cdn.sqhk.co/vedasukuki/TAaihhg/butubujupanosawulemafewoj.pdfIn PDF document text
- https://cdn.sqhk.co/xibidodoko/QShiyij/teaching_strategy_meaning_in_bengali.pdfIn PDF document text
- http://suzenax.22web.org/90662122459.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384639/normal_60505aac83ccc.pdfIn PDF document text
- https://niparazuxadema.weebly.com/uploads/1/3/4/0/134040736/34e36.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486975/normal_5ffd6e4c294b8.pdfIn PDF document text
- https://cdn.sqhk.co/rebabafa/9k0ieRK/other_online_auction_sites_besides_ebay.pdfIn PDF document text
- https://jubigugatuse.weebly.com/uploads/1/3/0/7/130775741/5812324.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4498345/normal_6005ad642d656.pdfIn PDF document text
- https://cdn.sqhk.co/dejuxafe/dRFijhj/85829726310.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424328/normal_6018e71725756.pdfIn PDF document text
- https://pawiwojofidinof.weebly.com/uploads/1/3/4/4/134458390/jojutunukibomim-temujebufagawu-sabarere-xutimijixadalo.pdfIn PDF document text
- https://zororoxuz.weebly.com/uploads/1/3/4/3/134309160/vazijo_senirajedowo.pdfIn PDF document text
- https://kofetasug.weebly.com/uploads/1/3/0/8/130874362/08c2c.pdfIn PDF document text
- https://cdn.sqhk.co/regomesu/8dvhhmF/nutritional_value_of_bitter_leaf.pdfIn PDF document text
- https://xutepodufolesik.weebly.com/uploads/1/3/0/7/130739265/1983585.pdfIn PDF document text
- https://cdn.sqhk.co/kujaruwajovi/hbdm4hP/bovusop.pdfIn PDF document text
- https://cdn.sqhk.co/kubabulukod/giQgjhb/3355301487.pdfIn PDF document text
- https://cdn.sqhk.co/widagawinud/hbNqvja/brick_disc_cutter.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448331/normal_5ff77ada685e0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jakipogiwezekam.rf.gd/33601018477.pdfIn PDF document text
- http://tamakibegotilo.epizy.com/marathi_aarti_sangrah_songs_free.pdfIn PDF document text
- http://suziwifu.rf.gd/50869177167.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_off0000cf18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF18 | 5368 bytes |
SHA-256: 3537cd43d5be7d087242d210d20cc064ab13edb83a057060e3e88598eff8fb8a |
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font_01_sfnt_off0000e153.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE153 | 10892 bytes |
SHA-256: 771a01b2f19e98cd5ac7efa5e5fa3cf2c0fbd8798c71892f288fa62b9be4f756 |
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