MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting services, indicative of a link farm designed to drive traffic. The presence of a URL related to 'game keyboard apk free download' suggests a lure to trick users into downloading potentially malicious software. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://kuzutuzo.ru/wix?keyword=game+keyboard+apk+free+download+for+android PDF link annotation
- https://cdn.sqhk.co/letarezetap/PibLjcP/clothes_worksheets_clipart.pdfIn PDF document text
- https://cdn.sqhk.co/raxoxawupej/iahckDf/donigajewovanepoxaxegoseg.pdfIn PDF document text
- http://retamos.mygamesonline.org/36580689098.pdfIn PDF document text
- http://veselutut.mywebcommunity.org/what_is_the_difference_between_hemi_sync_and_holosync.pdfIn PDF document text
- https://cdn.sqhk.co/rupomotiz/XiiXMPj/76272828221.pdfIn PDF document text
- https://cdn.sqhk.co/kupejabel/hchaLgf/1030574619.pdfIn PDF document text
- https://cdn.sqhk.co/ridijafugemi/Ipggjfc/55554919005.pdfIn PDF document text
- https://cdn.sqhk.co/kifukuvitog/cii4hix/tavet.pdfIn PDF document text
- http://wudaxozibutix.sportsontheweb.net/lefumakojarewisivowas.pdfIn PDF document text
- https://cdn.sqhk.co/lopijikuvi/Njbjgjh/small_star_wars_cross_stitch_patterns.pdfIn PDF document text
- http://tapidiv.medianewsonline.com/dhl_shipment_waybill_form.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dasabenanej.epizy.com/zigafuvuberodoviwi.pdfIn PDF document text
- https://77047a80-9f17-4504-a563-a097c25ca12e.filesusr.com/ugd/5c8b2f_770b14d1a0d54d0fbe775f8eaba8863f.pdf?index=trueIn PDF document text
- http://zaravugudag.rf.gd/arrears_of_pay_beneficiary_information.pdfIn PDF document text
- https://2df275fc-a8dd-466e-be95-33fe0afe7bed.filesusr.com/ugd/9b6d1e_0b4bcaa3c0b24dcabf342d02cee87409.pdf?index=trueIn PDF document text
- https://ab25a8b3-4d80-4d4b-93a1-c1347014fa7c.filesusr.com/ugd/8d0191_7082801c91b040bf89cc8e18d558dc43.pdf?index=trueIn PDF document text
- http://sokekakeloji.onlinewebshop.net/does_dunkin_donuts_have_low_carb_options.pdfIn PDF document text
- http://lipisalozolujew.epizy.com/airtel_access_point_name_for_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d285269-4710-4996-9908-0cc83f5f4029/rikidedejug.pdfIn PDF document text
- https://e0d0d77b-4c00-4265-bc22-f0cc5cf11ada.filesusr.com/ugd/957eb4_10b5f821101f43adba41e599da3edb0d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/24344961-d230-4fe2-8c87-1e3d24f11ccd/wonavevakuvovejuje.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA0 | 5436 bytes |
SHA-256: 17b9dff0f3c9cddfcb6fcb138364649c4dc8ba25be12160e0d9087177b4d6eea |
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font_01_sfnt_off00010223.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10223 | 11448 bytes |
SHA-256: 503a34402b592da8ba7fdafe5d3e6ea062f05af03b4fb138c50fe7afb0e7f9a2 |
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font_02_sfnt_off00012996.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12996 | 16092 bytes |
SHA-256: c9557d91917e40dbb2ce09b7ef560a04a9a832ffe2ebcac6b50408a58351272e |
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