MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by ClamAV and an ML classifier, and it contains a significant number of external links, many hosted on disposable domains. This suggests a link farm designed to obscure the ultimate destination, likely a phishing or malware distribution site. While no scripts were explicitly extracted, the presence of numerous external URIs points towards an attempt to lure users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://maypoin.ru/strik?utm_term=functional+ambulation+categories+test PDF link annotation
- https://cdn.sqhk.co/nixagigad/jeIPiam/color_fill_3d_level_500.pdfIn PDF document text
- https://cdn.sqhk.co/pigexebobe/Hzhhhge/war_and_order_tips_and_tricks.pdfIn PDF document text
- http://tediwaxivuj.sportsontheweb.net/25319915278.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/8cd24031-658b-44aa-bf67-10395c3cceec/age_of_empires_gold_edition_no_cd_patch.pdfIn PDF document text
- https://s3.amazonaws.com/bipovoromoj/jakezewegajesisipevat.pdfIn PDF document text
- https://fa202315-5cd5-4006-9a99-7c5d4406650e.filesusr.com/ugd/61804c_e9308b224cd0416e8539508a14b11dcb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/eb703652-2266-43cd-b3fe-0f7d02d698ea/jakafek.pdfIn PDF document text
- https://s3.amazonaws.com/suzixegazunow/how_to_write_a_letter_of_recommendation_for_yourself.pdfIn PDF document text
- http://nafaradevofipaf.myartsonline.com/vojisolalik.pdfIn PDF document text
- https://0e9c393c-9feb-4465-ae9d-4486bea7a644.filesusr.com/ugd/4b68be_ebeed784d1724c34aa3b34bd3abd8b7f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b529f2ef-f085-42a1-a6f2-28fecb240a10/96413270850.pdfIn PDF document text
- https://a96990da-dd17-4b11-844c-aba2d588d1b6.filesusr.com/ugd/5e5e7b_fb42f98a4a7545d2b8954cea7b9b5f98.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5cdc5914-f1f7-4273-b25c-1bf996201164/bezonomogojipod.pdfIn PDF document text
- https://s3.amazonaws.com/defujo/ap_english_language_and_composition_course_description_effective_fall_2014.pdfIn PDF document text
- http://sogoxutagejuno.atwebpages.com/almacenamiento_primario_y_secundario.pdfIn PDF document text
- https://a4758657-6aaa-4003-b0f6-1957e800abfd.filesusr.com/ugd/70c1f8_b4b69d92b3304fb6a149290cefaf67ce.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zexozavo/rimamujusezegubatozipej.pdfIn PDF document text
- https://s3.amazonaws.com/fajixe/how_to_connect_zagg_keyboard_to_samsung_galaxy_tab_4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a497d54-0bcb-42fa-a60c-db876b1719d5/60687882832.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_off0000f473.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF473 | 5216 bytes |
SHA-256: c29331c6a213ecffb42ffa1d59598a77cbbee222918dc2f88b96f8e626941a0d |
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font_01_sfnt_off0001061a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1061A | 10116 bytes |
SHA-256: 215227237f197cf65a3c548ebd870e385a3e769e0e705c381acd5e2edc161895 |
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