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, many pointing to disposable hosting, and one critical link to a known malicious redirector. This indicates a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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/123?utm_term=akshar+publication+maths+book+pdf In PDF document text
- http://ronefed.iblogger.org/grade_4_maths_subtraction_worksheets.pdfIn PDF document text
- https://cdn.sqhk.co/pixafosabow/igfEgg9/starsplitter_fanfare_sheet_music.pdfIn PDF document text
- https://cdn.sqhk.co/limizolaxa/fqTD3gd/multicraft_panel_commands.pdfIn PDF document text
- https://zejafopo.weebly.com/uploads/1/3/4/5/134505046/woxumegu.pdfIn PDF document text
- https://cdn.sqhk.co/mepapogivoma/fV7trhi/plus_one_botany_textbook.pdfIn PDF document text
- https://lonunupamazukev.weebly.com/uploads/1/3/4/7/134711915/doroluwifiko.pdfIn PDF document text
- https://cdn.sqhk.co/numavagoko/gdgijdg/automatic_background_remover_free.pdfIn PDF document text
- https://fujelaxu.weebly.com/uploads/1/3/4/7/134704358/ripan-lefotilir.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0fc0baf9-b884-4fcd-968e-f93c0f938930.filesusr.com/ugd/68ec51_614e4c95503346259bf35a607f49bfa5.pdf?index=trueIn PDF document text
- https://07f52280-50dc-49c2-beec-a2e30bf849d0.filesusr.com/ugd/7b8f90_827cf737b1974506b2343a8cae919060.pdf?index=trueIn PDF document text
- https://168d2a81-f750-40c6-a653-3787650f980d.filesusr.com/ugd/3bcfef_7f6158f699674493ac62ddc7d9aed67c.pdf?index=trueIn PDF document text
- http://zukewazidokik.rf.gd/how_to_do_ratios_khan_academy.pdfIn PDF document text
- http://kimatun.epizy.com/11751454025.pdfIn PDF document text
- https://fd7a53fe-11c1-4e60-83ad-ac1bb997268f.filesusr.com/ugd/5cf23b_e95bdbb123d746f982b435e432adfb1a.pdf?index=trueIn PDF document text
- https://814cba0f-f649-4223-bfe6-7884e6e02b9d.filesusr.com/ugd/c1108c_a1c0528ceec34c53ba60de2071bf1524.pdf?index=trueIn PDF document text
- https://ba85394b-11ac-4ca4-926b-74ca936c52e1.filesusr.com/ugd/5ccfc8_5786400b1109498db65c4e18f209320d.pdf?index=trueIn PDF document text
- https://f499a9ea-5579-4d3c-a180-ba191067f9b7.filesusr.com/ugd/34ec99_bddfce4f1917446e826aabeb27d72437.pdf?index=trueIn PDF document text
- https://e25b7b56-d8f7-44cb-9276-56428e53d1cc.filesusr.com/ugd/63f3e8_75e296093fd64af08950d3565b0ae8e4.pdf?index=trueIn PDF document text
- https://8d67285a-e3c5-4820-bb1a-bb91ce1079a6.filesusr.com/ugd/d54300_f598891181aa43569b4b8a8d1ef6d5c2.pdf?index=trueIn PDF document text
- http://rivapuremamoge.epizy.com/81851856404.pdfIn PDF document text
- http://tavarifa.epizy.com/zesawefijegosiwosefojit.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_off0000ea63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA63 | 5588 bytes |
SHA-256: c6d9ee9fc8d3b871a5a6e99e02d3a1dd77e3f864c223c4ccccac1dfc64bbc104 |
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font_01_sfnt_off0000fd36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD36 | 11404 bytes |
SHA-256: 4b7b2ddcf2c15812f139f697563609c9e7fe21c64b8ead9ed912d2bfb6125a6c |
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