MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which point to disposable hosting services, indicating a link farm or SEO spamming operation. The primary URL, 'https://leonvi.ru/strik?utm_term=what+is+the+definition+of+the+metamorphosis', suggests a lure to a phishing or malicious site disguised as a search result. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://leonvi.ru/strik?utm_term=what+is+the+definition+of+the+metamorphosis PDF link annotation
- https://cdn-cms.f-static.net/uploads/4372355/normal_6069c6d67e887.pdfIn PDF document text
- https://pimujupaz.weebly.com/uploads/1/3/4/4/134440235/6399326.pdfIn PDF document text
- https://gadevonetikob.weebly.com/uploads/1/3/4/3/134358307/kasonagidofu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377931/normal_606851cb4d748.pdfIn PDF document text
- https://govubazidexifa.weebly.com/uploads/1/3/4/3/134342639/379c9706d4623.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380528/normal_6068c0b923703.pdfIn PDF document text
- https://fojakejozu.weebly.com/uploads/1/3/2/7/132712415/29547ff36662.pdfIn PDF document text
- https://tofudilasikota.weebly.com/uploads/1/3/0/9/130969343/0f38257e23.pdfIn PDF document text
- https://kurakozizuvev.weebly.com/uploads/1/3/2/6/132681999/7428077d4ae09c9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382620/normal_5fc658b9013f6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413363/normal_5fee828322235.pdfIn PDF document text
- https://kowirakixodoxe.weebly.com/uploads/1/3/4/4/134467502/04bc2e.pdfIn PDF document text
- https://pejizaki.weebly.com/uploads/1/3/1/4/131437091/xidudujugifol.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/65d654a2-2dce-4019-8647-a891691676b3/best_program_for_beginners_bodybuilding.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0f1d0da9-e9a5-440e-97e0-e2e80e386e24/62230853638.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/05abd74d-96ae-4946-a9ef-0346afdf5436/17107978110.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8fc55d16-c1c6-4451-a613-77b419f754f7/stair_climbing_power_lab_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5970d574-6882-4de2-abd9-0fdb6903028f/in_the_time_of_the_butterflies_book_characters.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e743027-896f-464d-b40f-44ada51ff24f/87923390752.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97a66349-afd2-472c-a162-c728c04adaea/canon_ip90_printer_driver_for_mac.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d84d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84D | 5052 bytes |
SHA-256: 7ecdf1473910d4812a072b1940f28ec239b7bc41be9c62e21f2767fd689b523f |
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font_01_sfnt_off0000e94a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94A | 12236 bytes |
SHA-256: 2dd3ba2dee5248f7a0b96b810ca944779e5d8468f4d348876c9a7bc929dbd752 |
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font_02_sfnt_off00011247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11247 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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