MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains text related to 'IPCC 5th report citation' and the authoring application 'wkhtmltopdf', indicating a lure to direct users to malicious websites. ClamAV detection and ML classification further support its malicious nature.
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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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://dafemum.ru/123?utm_term=ipcc+5th+report+citation PDF link annotation
- https://misevitazivizux.weebly.com/uploads/1/3/4/3/134376704/c2bebd2a2637.pdfIn PDF document text
- https://cdn.sqhk.co/wisivelu/ljY6Rji/zebukisuxid.pdfIn PDF document text
- https://kaginugopaz.weebly.com/uploads/1/3/4/3/134310825/lubalijugu.pdfIn PDF document text
- https://cdn.sqhk.co/relaberof/hiXgjhj/the_great_courses_free_shipping_code.pdfIn PDF document text
- http://tinubawolu.mywebcommunity.org/tuxusubegisuzitopedexa.pdfIn PDF document text
- http://lnstagramverifiedbadge-form.com/zuwijarpi2hw.pdfIn PDF document text
- https://cdn.sqhk.co/moxinivo/e1sZQdy/telemedicine_and_telehealth_definition.pdfIn PDF document text
- http://daddytestit.xyz/zotoxamizazokijuk5jiuv.pdfIn PDF document text
- http://instapodarok.site/delirium_lauren_oliver_seriesss88q.pdfIn PDF document text
- https://cdn.sqhk.co/netimupoxojo/yJifejc/bogedekidu.pdfIn PDF document text
- https://cdn.sqhk.co/lewikokezina/JFiabih/shark_ionflex_duoclean.pdfIn PDF document text
- https://fijuvosezo.weebly.com/uploads/1/3/4/0/134096395/b8eb9e262.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0c3b2bb2-3ac9-4e0e-a0b2-530a831cdf0d.filesusr.com/ugd/23193f_b960257e3fbd4486af26b44edc3e0a10.pdf?index=trueIn PDF document text
- https://b0b89e74-75d6-43b0-bb8f-fa2cd9bd5f5b.filesusr.com/ugd/b5ae3e_1611d86f41544b6c815a00319fc5417b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kudefem/sevufewoxowawa.pdfIn PDF document text
- https://3bdad275-8828-414d-9063-9532e035d791.filesusr.com/ugd/c67d0c_83da2c7dd10f4a7ebba0b8f08b9f4b3b.pdf?index=trueIn PDF document text
- http://rosevasejila.myartsonline.com/pobikowizudonu.pdfIn PDF document text
- https://s3.amazonaws.com/feliso/2018_toyota_camry_xle_for_sale_near_me.pdfIn PDF document text
- https://737bf953-b780-43bc-8af0-312ed5328a40.filesusr.com/ugd/017c44_dbc60a381a0c4cb187651ce3ca76cebd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lovetijif/74450351577.pdfIn PDF document text
- https://s3.amazonaws.com/voxipanovigepiv/13312879149.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_off00015e9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E9A | 4872 bytes |
SHA-256: e05f1bee9bf3c87871869f135cbf63e009fecfc56c0c1e9c2f41126badaf588e |
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font_01_sfnt_off00016f2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F2C | 11792 bytes |
SHA-256: bc52e9bdedba48616d86de4da5378b331dc582918576d0bd6de4e412eae3f6c3 |
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