MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. The embedded URLs and the ML classifier output strongly indicate a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded links are designed to lure the user to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 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://crophysi.ru/strik?utm_term=the+story+of+my+life+one+direction+karaoke In PDF document text
- http://rowexusaje.mypressonline.com/ratib.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420025/normal_6015c981e8b40.pdfIn PDF document text
- https://cdn.sqhk.co/jasurisunav/pbgjdjg/miman.pdfIn PDF document text
- http://loneresel.mygamesonline.org/kogogejijaromaritajugozax.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451033/normal_601afd21c432a.pdfIn PDF document text
- https://cdn.sqhk.co/kewawukufiju/Whfhhvm/77291637027.pdfIn PDF document text
- http://xedeporib.medianewsonline.com/computer_coding_languages.pdfIn PDF document text
- https://cdn.sqhk.co/konajera/cKhhhee/birthday_cake_recipes_easy_uk.pdfIn PDF document text
- https://cdn.sqhk.co/sejujona/jggX4hd/15411942979.pdfIn PDF document text
- https://cdn.sqhk.co/tinulafi/gejd0zJ/lefojejagaloradekukerule.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410694/normal_606c686f888b4.pdfIn PDF document text
- https://cdn.sqhk.co/gavivevok/5geuPgg/45639214704.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487927/normal_5ff7e53f88022.pdfIn PDF document text
- https://cdn.sqhk.co/naveropifo/MdhdAhd/dictatorial_meaning_in_urdu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473035/normal_6057027409193.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374835/normal_60430a4c3ab86.pdfIn PDF document text
- https://cdn.sqhk.co/kobadaxo/xBhjjbc/kezulekademirakelepo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490542/normal_604b317d23cb4.pdfIn PDF document text
- https://cdn.sqhk.co/pelemobi/PjhjXNr/superb_easy_large_print_crosswords.pdfIn PDF document text
- https://cdn.sqhk.co/kagelemovo/ignhaSc/30985339649.pdfIn PDF document text
- http://fijazubelanulek.mywebcommunity.org/stool_preparation.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457838/normal_5fd1342d17d8c.pdfIn PDF document text
- http://vuzetasavuxoso.mygamesonline.org/gurax.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000dc23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC23 | 5376 bytes |
SHA-256: c994909a3c81a26951c0bef646304367c2b40c7666bc8abda32ef6d6fe2455be |
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font_01_sfnt_off0000ee49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE49 | 10832 bytes |
SHA-256: 63b39e66cf1de3cc3224817e43f0d258f810b916278864d95671684a6a9b2d26 |
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