MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to obscure the ultimate destination. The embedded links and the heuristic firings indicate a phishing or scam attempt, likely to direct users to malicious content or further phishing sites. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://resalured.ru/strik?utm_term=how+to+make+a+written+test+appointment+at+the+dmv PDF link annotation
- https://cdn.sqhk.co/surodamiz/jf4gedH/perfect_piano_notes_easy.pdfIn PDF document text
- https://cdn.sqhk.co/ranemagesoga/hBEijr5/best_monster_evolution_games_for_ios.pdfIn PDF document text
- https://cdn.sqhk.co/kokuxisa/ghifhda/log_thrower_mod_apk_an1.pdfIn PDF document text
- http://lotobajigufar.mywebcommunity.org/makro_catalogue_november_2020.pdfIn PDF document text
- http://zitokujamu.mypressonline.com/iso_iec_27001_information_security_associate.pdfIn PDF document text
- https://cdn.sqhk.co/sunidoxil/YjgBUid/beat_the_boss_3_apk.pdfIn PDF document text
- https://cdn.sqhk.co/wasusoguba/g8SYTie/broken_heart_free_images.pdfIn PDF document text
- http://zisapawiwako.mypressonline.com/public_relations_writing_form_and_style.pdfIn PDF document text
- http://kirakexig.mypressonline.com/40565649116.pdfIn PDF document text
- http://sitizinudex.getenjoyment.net/aula_internacional_1_nueva_edicion_solucionario.pdfIn PDF document text
- http://zozitaze.mypressonline.com/32165529661.pdfIn PDF document text
- https://cdn.sqhk.co/xaveredero/cgfqxjd/58246290634.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/glkiijh/37947139217.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/ef00c730-a426-4484-842d-772a24769c3d/84520269469.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b6040d7-79dc-41e3-a5fb-4d050f542347/failure_is_the_key_to_success_quotes.pdfIn PDF document text
- https://4f65501f-cdae-4966-b9db-49b15ad9d196.filesusr.com/ugd/52b593_ea8544f196774bdb889c50c5ff8e4da6.pdf?index=trueIn PDF document text
- http://fogokenum.onlinewebshop.net/how_to_make_baby_walking_shoes.pdfIn PDF document text
- https://aee666f7-65d2-4416-8089-42e5bd85255d.filesusr.com/ugd/c4036c_d7ce0e2abf3e485d98782faecd6ccb3d.pdf?index=trueIn PDF document text
- http://zipemoluligera.myartsonline.com/lepamakovu.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_off0000eb98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB98 | 5132 bytes |
SHA-256: fe412a3698445f65eba2fe94796c3198465ed2e389bbeb85d53c9655364b2f11 |
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font_01_sfnt_off0000fce4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE4 | 11364 bytes |
SHA-256: bab7e5e8184ad56b14a0f3da65f78befe300291f4b46882d546f0a51c33e47ba |
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font_02_sfnt_off00012380.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12380 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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