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 0.9998
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://bologen.ru/123?utm_term=dell+inspiron+1720+ram+slots PDF link annotation
- http://bebolekuku.22web.org/environmental_and_road_safety_awareness_book.pdfIn PDF document text
- https://cdn.sqhk.co/depivuni/NLjaYvF/masterchef_fragman_71_bolum.pdfIn PDF document text
- https://cdn.sqhk.co/pixukinoma/cl0iikr/movie_music_ringtones_telugu.pdfIn PDF document text
- https://zekawumili.weebly.com/uploads/1/3/4/4/134403966/pururipibakixe_mesupofiwadan.pdfIn PDF document text
- http://namunogetivij.iblogger.org/smartsheet_add_logo_to_form.pdfIn PDF document text
- https://cdn.sqhk.co/vefusujix/B5OiggI/proton_bus_simulator_2020_download.pdfIn PDF document text
- https://cdn.sqhk.co/vopofuxo/ihgghhb/neon_yellow_long_sleeve_running_shirt.pdfIn PDF document text
- https://webuseki.weebly.com/uploads/1/3/2/8/132814302/sazowaluvuzoxikago.pdfIn PDF document text
- https://cdn.sqhk.co/lutugivaje/fibXW9Q/w3schools_css_animation_delay.pdfIn PDF document text
- https://cdn.sqhk.co/lofujumixas/jjHgcic/addon_mutant_creatures.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
- http://kugesiv.epizy.com/29436692550.pdfIn PDF document text
- http://pepiretivixu.epizy.com/29546168550.pdfIn PDF document text
- http://tedonipevafipe.epizy.com/96709893891.pdfIn PDF document text
- https://s3.amazonaws.com/mijumomub/16059388511.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_off0000bd85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD85 | 5160 bytes |
SHA-256: 7924247cca42335e1dcf2aef596fe6ebf6217a94b659c5adb24b43183457d243 |
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font_01_sfnt_off0000cef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEF8 | 11060 bytes |
SHA-256: 7fb1a86433d20115a6051ce749606e81d268929dfc29518bacdf3a194b3df1b7 |
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font_02_sfnt_off0000f4aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4AA | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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