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, suggesting a link farm designed for SEO manipulation or phishing. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier and ClamAV also flagged this PDF as malicious, indicating a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://crophysi.ru/award?keyword=wordly+wise+3000+book+5+test+booklet+pdf In PDF document text
- https://muputobiga.weebly.com/uploads/1/3/5/3/135308906/1829bb904961.pdfIn PDF document text
- https://gawakugoful.weebly.com/uploads/1/3/4/7/134757428/fifimoxibe_rugipaweguz_fukare_wegevijewup.pdfIn PDF document text
- http://nefritthebestthing.site/11229037243nyeqt.pdfIn PDF document text
- https://tabajojimito.weebly.com/uploads/1/3/4/3/134317549/kunepadona.pdfIn PDF document text
- http://babblescoop.store/96055528822zwp4t.pdfIn PDF document text
- http://furniture21.online/jbl_charge_3_user_manualzfctw.pdfIn PDF document text
- http://digtalcaliper09.xyz/pulimaxifibaribusuzsfi9.pdfIn PDF document text
- http://yblda.fun/remington_700_sps_tactical_barrel74yea.pdfIn PDF document text
- https://guxofoxevi.weebly.com/uploads/1/3/4/7/134737998/pakepolabavi.pdfIn PDF document text
- https://joletumutete.weebly.com/uploads/1/3/4/8/134871701/toserapad-taruwalozewe-sosapexire.pdfIn PDF document text
- https://giburonolunege.weebly.com/uploads/1/3/1/4/131406036/noboxixiwetidozogura.pdfIn PDF document text
- https://jabasamivesapev.weebly.com/uploads/1/3/4/0/134041177/tubok.pdfIn PDF document text
- http://weinmvc.net/logic_pro_x_manual_espaol2ezr4.pdfIn PDF document text
- http://kino-vezde.ru/robinair_vacuum_pump_parts_15500hm6ak.pdfIn PDF document text
- https://fogevama.weebly.com/uploads/1/3/1/1/131164507/monojo_pazol_jodiwexavozute_romijanovara.pdfIn PDF document text
- https://vebafuxitupum.weebly.com/uploads/1/3/4/8/134890404/mematilelosuwifu.pdfIn PDF document text
- http://bit-ipo.ru/mattress_firm_adjustable_base_remote_instructionse7ymc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/migivewuwe/malmesbury_primary_school_uniform.pdfIn PDF document text
- https://748e62c5-a849-4dff-87e7-3b5f74cb3522.filesusr.com/ugd/0df896_590d9b5ec8a34ef1b5896037271b2276.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tuzamada/elegant_powerpoint_template.pdfIn PDF document text
- https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_012adfefd05c4b4b81431871e084ad5e.pdf?index=trueIn PDF document text
- https://f608bf75-187c-4b28-9621-af925c05c2b6.filesusr.com/ugd/05e3ad_9822a5cd45a748178719a5b569b0f0e4.pdf?index=trueIn PDF document text
- https://ca30e0e0-ecf2-44ab-b6a2-fe26291458be.filesusr.com/ugd/34e21e_e0d0014074c44df4927c8cbb2edcb64f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wewuxuviwar/hsslive_answer_key_2019_plus_two.pdfIn PDF document text
- https://ded05c8b-f0d8-42bc-a64b-daa0b63394ca.filesusr.com/ugd/99afdc_c3a7751ade014eefb19d4d29468efc43.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rufonali/zefako.pdfIn PDF document text
- https://s3.amazonaws.com/mejawiwomak/msds_sheet_lysol_toilet_bowl_cleaner.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_off0000ea91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA91 | 5664 bytes |
SHA-256: 77d4756fc6f379caa922936faca2762ca3e63c234d38e1cdc8c5c68fa5c34d35 |
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font_01_sfnt_off0000fe08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE08 | 10892 bytes |
SHA-256: ab8037e91a3e835fc8a14bf73f9da396e8693bde37b9dab9d4f6245a11018d51 |
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