MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nipisod.ru/123?utm_term=c.+m.+a+full+form PDF link annotation
- https://cdn.sqhk.co/vumuwilaj/8YEjhCi/23614271840.pdfIn PDF document text
- https://cdn.sqhk.co/fapewakuw/gvxijFW/history_of_arthritis_medications.pdfIn PDF document text
- https://cdn.sqhk.co/kasapisu/hiOjdP9/3_bachelors_movie.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473039/normal_5fda1eb812af0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477655/normal_60391e18d53aa.pdfIn PDF document text
- https://cdn.sqhk.co/musamari/dr0geTf/losajix.pdfIn PDF document text
- https://cdn.sqhk.co/pinofizulag/igi8LI9/sugonaxidebelepu.pdfIn PDF document text
- https://cdn.sqhk.co/jolodovi/ogcspgg/sure_shot_lyrics_bathe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369771/normal_5ff1ae163d53c.pdfIn PDF document text
- https://cdn.sqhk.co/letaziseb/deihihM/97732020081.pdfIn PDF document text
- https://cdn.sqhk.co/jibanukagexa/lia8gfn/23925598105.pdfIn PDF document text
- https://cdn.sqhk.co/zogameva/aFnN5Ze/3910080665.pdfIn PDF document text
- https://cdn.sqhk.co/gijimexuv/oHM45jf/93942049427.pdfIn PDF document text
- https://cdn.sqhk.co/potasuregoz/rdhePgd/45403243202.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://45f61934-b4a1-4335-a9e3-e142d9465b5b.filesusr.com/ugd/0dd040_5a76f5350fd94befbbfe17c4456bc294.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/311c9681-fcfa-4d6f-aa38-8b4d5f3670a2/handbook_to_higher_consciousness_download.pdfIn PDF document text
- https://146c8b6c-0b46-450b-8ed0-b45f1e2a4974.filesusr.com/ugd/b58d21_7bfaac42105f4d32bb458845df15a038.pdf?index=trueIn PDF document text
- https://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_6578db5da763447faa2e6fab173d8cf5.pdf?index=trueIn PDF document text
- https://0dd0cd87-80d3-4eb5-b9c6-73c43c3a6fca.filesusr.com/ugd/f0b6b3_d22596c6f873423793cca34c48f929e5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0293fb11-53a3-45bd-9891-ce9ba9c2c445/kulogalugibugeborovabi.pdfIn PDF document text
- https://e72deea9-3c4d-48de-8429-d2e8e2d5d9b3.filesusr.com/ugd/68b2df_3787752a261d4997927190df5ec4166c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1f297bcd-52b2-4892-a9ed-e543a6e7987f/huguenot_road_baptist_church_north_chesterfield_va.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA16 | 4320 bytes |
SHA-256: dff5ef09d85fa52c9a1abcf8011dd69b0c5bc09c7c078e4a95eb0c193a5a74dc |
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font_01_sfnt_off000108b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B4 | 2024 bytes |
SHA-256: 5d59e80714f055d0e20d1c4ed594903f00ea25dd365ddc0e243c90ca16be52db |
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font_02_sfnt_off0001124c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1124C | 12292 bytes |
SHA-256: a4921b2dbcaa319fd1331f758f0744ce7619be95aebaf4cb2a47b6d66aef93f7 |
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font_03_sfnt_off00013bcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BCB | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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