MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, suggesting it functions as a link farm, potentially to distribute further malicious content or for SEO manipulation. The embedded content, though heavily obfuscated, likely facilitates the redirection to these external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://jacksth.ru/strik?utm_term=t+trimpe+2002+chemistry+crossword+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4482645/normal_5fd75d32752d8.pdfIn PDF document text
- https://wunawewob.weebly.com/uploads/1/3/0/7/130775592/e4c3e7ccaac2a0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403824/normal_6028abd533a6b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417305/normal_5fe0d053e32d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373261/normal_602ffa3d142ce.pdfIn PDF document text
- https://cdn.sqhk.co/dabozijide/Ifo3hi9/mandala_coloring_games-_free_offline_coloring_book_app.pdfIn PDF document text
- https://banepopewux.weebly.com/uploads/1/3/4/2/134234854/setijixivaz-gekipati.pdfIn PDF document text
- https://fadoxidibeja.weebly.com/uploads/1/3/2/6/132695582/3586080.pdfIn PDF document text
- https://cdn.sqhk.co/zinazejoras/VMigjeJ/48294394669.pdfIn PDF document text
- https://cdn.sqhk.co/bomoxale/jigjgdB/78162775449.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425238/normal_6023b7ebe05c6.pdfIn PDF document text
- https://cdn.sqhk.co/lamikolo/iP8iiWA/super_detention_movie_cast.pdfIn PDF document text
- https://cdn.sqhk.co/goluxewimabu/MDgelc0/samsung_notification_sounds_mp3_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/radofufalam/H2ibhcO/clash_of_clans_account_sale.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467322/normal_602ebf238ff53.pdfIn PDF document text
- https://cdn.sqhk.co/niwonosorude/heSgjAi/card_matching_game_app.pdfIn PDF document text
- https://jotozorofelafik.weebly.com/uploads/1/3/1/4/131405965/9416c2c3927ec8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370529/normal_5ff963d2c9f6d.pdfIn PDF document text
- https://cdn.sqhk.co/gorubabor/pgaQjcv/womexukejupeju.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://59b7e61f-9850-45ee-add2-e9646db267e4.filesusr.com/ugd/5b9365_c8830d5c6cc4442cb30f4745bdca4d14.pdf?index=trueIn PDF document text
- https://07d68bf2-0661-47e2-9ffe-eae068a071af.filesusr.com/ugd/fef806_d5210978f8a04320b2aaa77b1acf68a9.pdf?index=trueIn PDF document text
- https://e8f98835-b194-42a5-b43f-fe2f29920dd6.filesusr.com/ugd/bf650e_74ebc8f234a24b50a28e3f2ca123b428.pdf?index=trueIn PDF document text
- https://a3c35cc3-4a3f-4d41-ab51-8b3e4b114d30.filesusr.com/ugd/2b25b5_b970353997084a95bec57ba3eb612c7a.pdf?index=trueIn PDF document text
- https://2e8e3215-33bf-4fe1-bc67-b38dac560527.filesusr.com/ugd/269bb8_845685521e3341f08771a4b1fda12b7f.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010a43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A43 | 5700 bytes |
SHA-256: f8401b8041a5d9a724de5d2fd9a21c82a1d629f5f84e639fd4fa168234d64cc3 |
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font_01_sfnt_off00011d90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D90 | 11532 bytes |
SHA-256: 8b3afbcd99c9611a08bd80462e665944d761f84c349f5c93b7f41b40eac23bca |
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