MALICIOUS
252
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, many of which point to external PDF files, forming a link farm. One critical heuristic indicates that a link redirects to known malicious infrastructure. The ML classifier strongly flags this PDF as malicious, and ClamAV also detects it as a phishing trojan. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, and the presence of a fake invoice lure heuristic further supports a phishing or scamming intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://traffine.ru/123?utm_term=h57h+am2+manual+pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4391008/normal_5ff65c2e65d8c.pdfIn PDF document text
- https://kozowesojufeg.weebly.com/uploads/1/3/4/7/134717080/e5c65d19f34d33.pdfIn PDF document text
- http://bavunexebiri.iblogger.org/48314252261.pdfIn PDF document text
- https://site-1177725.mozfiles.com/files/1177725/cooking_town_kitchen_chef_game_mod_apk.pdfIn PDF document text
- https://site-1175399.mozfiles.com/files/1175399/tadimavarelavibafipos.pdfIn PDF document text
- https://cdn.sqhk.co/sijiposago/pVggig4/40565354021.pdfIn PDF document text
- https://cdn.sqhk.co/kuzetuzame/ulGNiiA/car_hill_racing.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407102/normal_5fdc41183a561.pdfIn PDF document text
- https://cdn.sqhk.co/bitomasijelo/dahbzAg/marvel_future_fight_wiki_iron_man.pdfIn PDF document text
- https://site-1175681.mozfiles.com/files/1175681/71790318750.pdfIn PDF document text
- https://cdn.sqhk.co/bitaxukezor/V8idhDz/44739985989.pdfIn PDF document text
- https://cdn.sqhk.co/videmixolute/gjaWib0/world_snake_io_slither_games.pdfIn PDF document text
- https://site-1173450.mozfiles.com/files/1173450/phoenix_weather_october_24.pdfIn PDF document text
- https://bawilawuvibowe.weebly.com/uploads/1/3/4/4/134401702/3804585.pdfIn PDF document text
- https://dibotora.weebly.com/uploads/1/3/4/8/134870334/gobosofeb-dusinopijaludu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411250/normal_6001dd9603a62.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384464/normal_5fe1bd32ea30d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fujesotes.epizy.com/the_incredible_jessica_jones_parents_guide.pdfIn PDF document text
- http://junenizexi.epizy.com/pizemetukiruvugizoranu.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_off0000e418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE418 | 5304 bytes |
SHA-256: 655df8102dbf1964867832442a2756c2a544949c66214eb3915edf34aafadf64 |
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font_01_sfnt_off0000f619.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF619 | 11540 bytes |
SHA-256: def27c757e0ab84f3215b227538b8598e3d2f3cbc9be817167781dab7a7d3d71 |
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