MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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/123?utm_term=subtracting+mixed+numbers+with+unlike+denominators+worksheets PDF link annotation
- https://sazeduxawi.weebly.com/uploads/1/3/2/6/132695343/dizirobu-ruwamoretul-buwejaxotipip-pijazina.pdfIn PDF document text
- https://gopogusefivow.weebly.com/uploads/1/3/1/4/131406686/77950.pdfIn PDF document text
- http://fiwisud.getenjoyment.net/ge_universal_remote_codes_for_vizio_tv_cl4.pdfIn PDF document text
- http://strongcreditscore.info/5211771780088c02.pdfIn PDF document text
- http://pazifelurup.medianewsonline.com/dell_rev_a00_motherboard_drivers.pdfIn PDF document text
- http://tusiteguluvora.getenjoyment.net/98845933680.pdfIn PDF document text
- http://help-violation.com/phonetic_alphabet_nypdo9gs4.pdfIn PDF document text
- http://todayit.pro/aerial_photography_notes86ykb.pdfIn PDF document text
- http://tadosuzewamu.medianewsonline.com/nursery_rhymes_lyrics_for_toddlers.pdfIn PDF document text
- https://velawavasikene.weebly.com/uploads/1/3/5/4/135400921/332035.pdfIn PDF document text
- http://xenalebosob.scienceontheweb.net/mutants_and_masterminds_multiattack.pdfIn PDF document text
- http://fomijegi.mypressonline.com/xupafuzuvazamamit.pdfIn PDF document text
- https://nakalefa.weebly.com/uploads/1/3/4/5/134522788/murife.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6a421494-2577-4416-904f-e17348f56b63.filesusr.com/ugd/85e76a_4a10284fb00c4068b7f554e60b15d25a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zazelujeju/48976647078.pdfIn PDF document text
- https://ef2e072a-e8a2-4438-804d-cc750be2e2f6.filesusr.com/ugd/6a22cb_69d42d0b97f54adfbd678f906fc5d62c.pdf?index=trueIn PDF document text
- https://307a23dc-bb60-4906-9a68-69e45957aa19.filesusr.com/ugd/d2057d_9464fe6a583f40cb830d6672f6b34972.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fewifuwu/analog_clock_hour_worksheet.pdfIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_b105ce44d835425c840a22888b5329b0.pdf?index=trueIn PDF document text
- http://nibopinalilabaj.onlinewebshop.net/how_to_update_fire_tv_recast.pdfIn PDF document text
- https://s3.amazonaws.com/roware/nafajoribebisijadimi.pdfIn PDF document text
- https://c01188fd-d8af-4b86-846b-090f7ecd58d8.filesusr.com/ugd/9058e5_071d3e7ec74840f88d2df915479fe3d7.pdf?index=trueIn 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_off0000e711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE711 | 5820 bytes |
SHA-256: 383e02f374d6b3cbdd04181a0ec27982c2b72eb83d7e5044c04f3487eaa7d4eb |
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font_01_sfnt_off0000fabd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABD | 10260 bytes |
SHA-256: 02a3b29ee8206494f37709f51603b3c78b8b1ff7805dee46267367b8967693f1 |
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