MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam operation. The document body mentions 'Occupational psychology books pdf', which is likely a lure to attract users to these external sites. The ClamAV detection and ML classifier 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://golowaki.ru/123?utm_term=occupational+psychology+books+pdf PDF link annotation
- https://cdn.sqhk.co/vitimosugu/4JgfUcw/rummikub_online_free.pdfIn PDF document text
- https://cdn.sqhk.co/vibifexode/QwMIhfc/caveman_chuck_adventure_all_bosses.pdfIn PDF document text
- http://forkidsshop.online/gopro_hero4_silver_firmware_updateti2jb.pdfIn PDF document text
- https://cdn.sqhk.co/jojipimuve/jiaJjbg/kirobotojimupilenolorur.pdfIn PDF document text
- https://cdn.sqhk.co/nilimijano/gTwjbhc/my_cloud_ex2_ultra_factory_reset.pdfIn PDF document text
- https://vufupobuzalezu.weebly.com/uploads/1/3/4/8/134853030/sunodiduk.pdfIn PDF document text
- http://spencermcman.us/vinojifuxe77yrz.pdfIn PDF document text
- http://wowitaly.pro/703451673996rpej.pdfIn PDF document text
- https://cdn.sqhk.co/pedajobu/bnsiige/21030958946.pdfIn PDF document text
- https://manomukujoputu.weebly.com/uploads/1/3/4/5/134517900/jotegofud_sefitafuke.pdfIn PDF document text
- http://stalekost.site/33716010013tt8hj.pdfIn PDF document text
- https://dipitamadupod.weebly.com/uploads/1/3/4/8/134882687/mabotesajarane.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/1b6588f1-1e36-47f9-bead-660436ac5aa2/morapidelirivumovazisirim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/15a4066e-49e2-4c9f-af63-51c77bacf000/pebepeku.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11d092c4-d353-459d-a893-a9e4ab648ec3/contabilidad_de_costos_autor_juan_garcia_colin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/774adaba-a6e2-4ad0-a4f2-6eafdae511ff/69507897162.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7f6cccb-0624-48a5-8dc6-55758a4eb448/deluj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/714604e6-3ca2-4c77-b267-695ae49637bd/satexizamemu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9384ce1f-cc91-4bac-a743-9b5824c99279/because_i_could_not_stop_for_death_study_questions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8be34140-5022-4cd8-ab65-91c559c5d0e1/adobe_acrobat_x_pro_serial_number_crack_free_download.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_off0000e18a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18A | 5656 bytes |
SHA-256: 2d4207961cb4edd4a8c160499780c11a94c49ac9630f7328dd011ef83fd58d3a |
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font_01_sfnt_off0000f4c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C9 | 10324 bytes |
SHA-256: e0455a4af3ec3005c923af679cdbefe29b795b2ed1f8aed197e3daee09eb8300 |
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