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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://jottigo.ru/123?utm_term=religious+trust+deed+format+in+gujarati PDF link annotation
- https://cdn-cms.f-static.net/uploads/4414852/normal_5fe79a35b0897.pdfIn PDF document text
- http://watertea.space/wavelet_transform_in_image_processingu99a2.pdfIn PDF document text
- http://clubstore.pro/gardners_art_through_the_ages_15th_edition_online83cmt.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486197/normal_6042208ce0ee2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476601/normal_6040f4bc455ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4406473/normal_5fc899365075c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449990/normal_6030fbca10109.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384655/normal_604386562adc9.pdfIn PDF document text
- http://violet-cinema.ru/cfo_jobs_chicagolnpx7.pdfIn PDF document text
- http://rezltml.xyz/357535790485h0gi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470689/normal_5fec3c1232435.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6739ca04-605d-4ff4-b4c9-4e5bd75a7819.filesusr.com/ugd/031dda_1ba527f212a2434abc8bfc6960b7f082.pdf?index=trueIn PDF document text
- https://fae5df41-d68b-4d62-9961-cd33801cec7e.filesusr.com/ugd/f52c73_efa8085150a7420f946f4863b8dbe916.pdf?index=trueIn PDF document text
- https://944bcc21-9f45-42c2-9889-8cf837fa5d1c.filesusr.com/ugd/50f869_a8ce282ce2ec4e5fbd1dedd218173f53.pdf?index=trueIn PDF document text
- https://d0a6b1b1-1773-4622-8b5e-0ab5990a7ed3.filesusr.com/ugd/b90ba1_b36f7bf6cfdf44c6a6e6eb4e8f345d72.pdf?index=trueIn PDF document text
- https://fad58b31-c538-4d3f-828d-7998eec853b9.filesusr.com/ugd/7e6083_d6e13ed774ab4e9d92e24b37ff3decd2.pdf?index=trueIn PDF document text
- https://31c8a3d4-0132-49f1-a04f-09c79d03e01f.filesusr.com/ugd/a4da84_d8148f6b9cec47b4a297ff85d6dd74a9.pdf?index=trueIn PDF document text
- https://de99934f-f465-4d69-af5e-14f317c0a7c6.filesusr.com/ugd/4fea5c_ffbfb000e982424ea66ab1237a196220.pdf?index=trueIn PDF document text
- https://26577e91-18e8-42c3-8e85-49dcca1d6605.filesusr.com/ugd/195787_4ab20eed64e64c789261ba6573b7e53b.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010fb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB0 | 4280 bytes |
SHA-256: 0497fae37e740001d514594a1e21b9fa5457fd99523c28b622cefa191fc512d6 |
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font_01_sfnt_off00011edc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EDC | 5308 bytes |
SHA-256: 0f320547c6af57be78dd5d5f1b6ef777634ce98c5aab5e1edab8d608116750e3 |
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font_02_sfnt_off000130de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130DE | 10356 bytes |
SHA-256: ad5bb9f09dd5ad7cce0263943f3759737fc340939144bfaa30d93e3404b9035e |
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font_03_sfnt_off0001548e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1548E | 16164 bytes |
SHA-256: 4bd16c8abd39118228c1571b0005d4eb3b3e943e572fd92a2a80cfcb7b749349 |
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