MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The embedded URLs and the heuristic firings strongly indicate that the primary purpose is to redirect users to potentially malicious or spam-related websites, likely for advertising revenue or further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://crysiq.ru/pbw?utm_term=vernier+caliper+questions+and+answers+pdf PDF link annotation
- https://toxuweraf.weebly.com/uploads/1/3/4/1/134108638/0737d63057a.pdfIn PDF document text
- https://fowedejuman.weebly.com/uploads/1/3/4/5/134518602/6988239.pdfIn PDF document text
- https://woduberorakemam.weebly.com/uploads/1/3/4/6/134667752/wijatizu.pdfIn PDF document text
- https://besuxape.weebly.com/uploads/1/3/4/3/134374749/1547364.pdfIn PDF document text
- https://ponokexagetax.weebly.com/uploads/1/3/4/3/134326843/xuvadagokufaja_dunatevemujoti.pdfIn PDF document text
- https://kisezuxuromo.weebly.com/uploads/1/3/0/7/130776201/vabetab_lafuzazonu.pdfIn PDF document text
- https://favaruzikab.weebly.com/uploads/1/3/4/8/134871436/0edaa279889.pdfIn PDF document text
- https://sisebafob.weebly.com/uploads/1/3/0/7/130776599/sitomo-betivadimufe-melasez-nevetinegiv.pdfIn PDF document text
- https://roxexiku.weebly.com/uploads/1/3/4/4/134445291/todomejef-vunufe.pdfIn PDF document text
- https://pafufido.weebly.com/uploads/1/3/1/4/131407890/pupeseniruwugoxid.pdfIn PDF document text
- https://mifafipuwekirej.weebly.com/uploads/1/3/5/3/135327035/6974552.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vojewukejiwu.pbworks.com/f/6867466164.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b92fad2-8a7d-4684-9051-0cb02b7c9d55/31168825224.pdfIn PDF document text
- http://bomasasawavi.pbworks.com/f/how_do_you_find_upper_and_lower_bounds.pdfIn PDF document text
- http://gevetijusova.pbworks.com/f/45033825739.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3103b744-9172-46cf-99bd-1d4d7a07f95d/77947006552.pdfIn PDF document text
- http://rugewenuzed.pbworks.com/w/file/fetch/144611280/cell_organelles_mcqs_with_answers.pdfIn PDF document text
- http://marutipug.pbworks.com/f/wupofibukasanovigikama.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3b0700c-ec16-44ea-af65-db32f82703f3/how_to_update_kindle_4.pdfIn PDF document text
- http://selapiwilapa.pbworks.com/f/ramadasu_songs_mp3.pdfIn PDF document text
- http://gatasulupu.pbworks.com/w/file/fetch/144412059/2019_hellcat_red_eye_charger.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_off0000d968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD968 | 5332 bytes |
SHA-256: 0550698dec2c319ebb618f5c2e9631e0065cc822c075bf26bf548e2b34b808fb |
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font_01_sfnt_off0000ebac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAC | 10684 bytes |
SHA-256: 43a312fe68bf29c97f068d4908e5eb26258cf151d526112ce441fef633d0adfc |
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font_02_sfnt_off00011011.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11011 | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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