MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical alert for linking to known malicious redirector infrastructure. The ML classifier also assigned a high probability of maliciousness. The embedded links, such as 'https://yafferge.ru/strik?utm_term=i+am+who+i+am+exodus+meaning', strongly suggest a phishing or scam attempt designed to redirect users to harmful sites. No scripts were extracted, but the presence of numerous embedded URLs indicates a primary function of directing users to external malicious content.
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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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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/strik?utm_term=i+am+who+i+am+exodus+meaning In PDF document text
- https://cdn-cms.f-static.net/uploads/4386618/normal_604ef4c58b427.pdfIn PDF document text
- http://geekcods.com/how_to_say_your_feedback_is_greatly_appreciatedf5stv.pdfIn PDF document text
- http://ratixopawem.mypressonline.com/18439655914.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402745/normal_5fe6e33772a7e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418987/normal_6035fba719266.pdfIn PDF document text
- http://oneitshop.info/how_to_connect_network_using_cmdsmcjz.pdfIn PDF document text
- http://instgrmmverifiedbadge.com/27489338257t0p58.pdfIn macro / runtime command snippet
- https://cdn-cms.f-static.net/uploads/4455894/normal_6033b882e4cc9.pdfIn PDF document text
- http://am-sound.ru/printable_math_word_wall_cards24bpn.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452853/normal_6060edc7ba94d.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/f69bf272-52e6-45b7-847a-b472620b364a/91696946043.pdfIn PDF document text
- http://xomapagovujux.atwebpages.com/harry_potter_book_1_audiobook_free.pdfIn PDF document text
- http://xiwexuxe.atwebpages.com/wunidemesetajevima.pdfIn PDF document text
- http://xekubizifakum.epizy.com/91334478875.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b6a1e64-d3d4-4fe2-9c0a-4a89bbdccca2/dewalt_3400_psi_pressure_washer_unloader_valve_adjustment.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/503c3c2e-f51f-4464-873a-4166f6f4f5a2/34826076148.pdfIn PDF document text
- http://sufutogikid.rf.gd/jumejosalebinokuxisof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11aa1125-a2b3-4b4f-beb9-74be27fa3362/smart_watch_phone_u8_bluetooth_manual.pdfIn PDF document text
- http://degodev.rf.gd/blackberry_classic_battery_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/537e3b68-0515-4911-b80d-f70dde5fb112/gobegosi.pdfIn macro / runtime command snippet
- http://bolunivagoxel.epizy.com/how_to_find_your_amc_8_score.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98a6c4c0-89ba-4429-b58c-e9b62caed35b/what_are_the_different_topics_in_civil_engineering.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://degodev.rf.gd/blackberry_classic_batteryIn macro / runtime command snippet
- 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_off0000f18b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF18B | 5208 bytes |
SHA-256: 4e2bbcca14a5260207b4a0e82360d90b9240d71a6d0a023a36feebb61f2b487f |
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font_01_sfnt_off00010339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10339 | 11880 bytes |
SHA-256: e6d400b6d92e2f3b5a131b4150c1539f30beaca791d8e3da6f91217265bb1478 |
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