MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links pointing to external PDF files, many hosted on disposable domains. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute malicious content. The presence of a malicious redirector link and ClamAV detection further supports its malicious nature. No scripts were extracted, but the structure suggests it's designed to lure users to other sites.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/award?keyword=the+idea+of+human+rights+charles+r.+beitz+pdf In PDF document text
- https://cdn.sqhk.co/kowaziwaso/JpjejcI/zombie_world_war_3_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/zevijevam/Ghbdgh9/totopizezexime.pdfIn PDF document text
- http://wuramegojuluz.mywebcommunity.org/bumevuku.pdfIn PDF document text
- https://mujiborabasovu.weebly.com/uploads/1/3/4/5/134590634/wenatunavemewu.pdfIn PDF document text
- https://tasiwusod.weebly.com/uploads/1/3/5/3/135351817/wodofobadizigixuk.pdfIn PDF document text
- https://jesimubevudoku.weebly.com/uploads/1/3/4/8/134873829/3ef2700c834665b.pdfIn PDF document text
- https://wusulanapezuvu.weebly.com/uploads/1/3/4/3/134325740/6482453.pdfIn PDF document text
- https://cdn.sqhk.co/dikulodut/hfhehcR/warcraft_3_frozen_throne_tower_defense_maps_multiplayer.pdfIn PDF document text
- https://womevelem.weebly.com/uploads/1/3/2/8/132814223/gurugabexasasif.pdfIn PDF document text
- https://wozizagozesa.weebly.com/uploads/1/3/4/8/134848764/sevufiz-lanupabipiseno-sisizunere-lesudogadu.pdfIn PDF document text
- https://cdn.sqhk.co/nowazedadara/iegjhdm/my_talking_ginger_2_mod_apk_revdl.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/5f4b286e-df14-415c-bb1d-215d798b2130/is_housing_allowance_for_ministers_taxable.pdfIn PDF document text
- http://kakasis.onlinewebshop.net/80755850463.pdfIn PDF document text
- https://s3.amazonaws.com/dazemi/amazon_shopping_app_old_version.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13068ff9-a7dd-4b2b-9a06-14fb3b0b06a2/how_to_install_parmak_solar_fence_charger.pdfIn PDF document text
- https://s3.amazonaws.com/tezofuretejom/resistive_humidity_sensor_datasheet.pdfIn PDF document text
- https://s3.amazonaws.com/lorifumofelu/kojezevezajuzev.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_off0000dd06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD06 | 5740 bytes |
SHA-256: 968f17c97c036848b31e96ed6920369855800140a920591fc879053b219c43c3 |
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font_01_sfnt_off0000f06d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF06D | 10920 bytes |
SHA-256: d7bdf8962a8f4e967133f8cdb5ce54e52c20b944970feff599830a359dece071 |
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