MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains a large number of embedded URLs, many of which point to known malicious redirectors or disposable hosting, indicating a link farm designed to lure users to malicious sites. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or malware distribution vector. No scripts were extracted, but the PDF structure itself is used to facilitate the attack.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/123?utm_term=ocean+current+worksheet+answer+key In PDF document text
- https://cdn.sqhk.co/xororasomig/LidM2hf/mini_games_servers_for_minecraft_pe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377115/normal_6001d39235d91.pdfIn PDF document text
- https://rakuwogu.weebly.com/uploads/1/3/4/8/134858672/kunofona-dareveviv-pebolaz.pdfIn PDF document text
- https://wazexusevawixi.weebly.com/uploads/1/3/0/7/130776334/8230608.pdfIn PDF document text
- https://cdn.sqhk.co/supopareso/cigQrBT/can_you_escape_100_room_2_level_12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408343/normal_601b0d9d6f541.pdfIn PDF document text
- https://cdn.sqhk.co/dakuwuwuzije/XTijhgu/royal_guard_fish_and_chips_danbury_connecticut.pdfIn PDF document text
- https://mufosuxid.weebly.com/uploads/1/3/4/0/134040625/podefaxotom-lekegigog.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491412/normal_5fd6b1ac35486.pdfIn PDF document text
- https://cdn.sqhk.co/lewikokezina/JFiabih/shark_ionflex_duoclean.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459325/normal_6023c743d1d9f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427783/normal_5fd039cc250a7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448724/normal_60249b0017494.pdfIn PDF document text
- https://cdn.sqhk.co/zivuzigup/8oldiaz/novo_cinema_dubai_festival_city_now_showing.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497358/normal_60244ade192dd.pdfIn PDF document text
- https://lalibirubifo.weebly.com/uploads/1/3/0/8/130873838/456d0b21fb17.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/vatosolikijike/dexotopofagavol.pdfIn PDF document text
- https://s3.amazonaws.com/bejokazemur/adeste_fideles_partitura_coro.pdfIn PDF document text
- https://s3.amazonaws.com/fasudikek/ccna_online_study_guide.pdfIn PDF document text
- https://s3.amazonaws.com/migivewuwe/tipokugub.pdfIn PDF document text
- http://punolubumima.epizy.com/tuvuxudip.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_off0000d19f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD19F | 5140 bytes |
SHA-256: 27cb8738fac1fe447f537c394eeb66d0687073e35e3a8217d5bcb74cd585479b |
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font_01_sfnt_off0000e32d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE32D | 9900 bytes |
SHA-256: 69eafea4a6b82f50e363da14cf62124d520beee88c60035ed8679f7097b2ca0f |
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