MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, identified as a link farm for SEO purposes. The ML classifier and ClamAV detection strongly indicate malicious intent, with ClamAV specifically flagging it as Pdf.Phishing.Trojan. The embedded URLs suggest a distribution mechanism for phishing or malware, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://golowaki.ru/award?keyword=afinidad+electronica+pdf PDF link annotation
- https://kiniwotonupit.weebly.com/uploads/1/3/0/7/130776343/9ed6e7b.pdfIn PDF document text
- https://cdn.sqhk.co/woragumokewi/gdAhggi/98144172144.pdfIn PDF document text
- https://jodisugej.weebly.com/uploads/1/3/4/7/134732418/217992.pdfIn PDF document text
- https://cdn.sqhk.co/gonolesuzam/clvjcij/premier_league_fantasy_gameweek_38.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374369/normal_6022f94995c19.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402533/normal_5fe3eb5bab8a1.pdfIn PDF document text
- https://mujabimebedegi.weebly.com/uploads/1/3/4/2/134234846/bakub.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391893/normal_5fd03ac99e638.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418368/normal_5ff5209049b5c.pdfIn PDF document text
- https://cdn.sqhk.co/loxexafetivu/gigyWUL/63610693441.pdfIn PDF document text
- https://cdn.sqhk.co/vopovaroxamo/gctCUBZ/zokitujivabodibarazotomov.pdfIn PDF document text
- https://cdn.sqhk.co/rubovadu/eicigh0/60508005786.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/9eb6e0dc-06ac-40f2-894a-7ca2e6a667ea/91112389107.pdfIn PDF document text
- http://numelini.epizy.com/nitofo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80e81b06-715e-4445-a66f-ab3307e52b39/30181149756.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01ca6cef-6560-438a-bca5-720e73f79efd/77447814382.pdfIn PDF document text
- http://vuxotuketut.rf.gd/cloudformation_s3_bucket_encryption.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef5059ea-21a6-4e1a-a002-8bf4ea9daa0d/51049370843.pdfIn PDF document text
- http://fonunegemo.epizy.com/difficult_intubation_guidelines_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43ce4dff-3b99-48ee-a1b9-0a158c999f79/nivenuzapikijadax.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/835297a0-b4c0-4c30-bd9c-b8bc44c079da/how_to_charge_ravpower_rp-pb19.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/907fded9-295a-4d38-9726-9c4ebb897b1d/sagavowoxaxuvemapezeze.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a1fd6c22-fea0-4080-b1c0-796ae43dc64c/do_baby_bjorn_bouncers_ever_go_on_sale.pdfIn PDF document text
- http://nofadokar.rf.gd/70985970234.pdfIn PDF document text
- http://tixefol.epizy.com/what_are_the_elements_of_quality_assurance_in_higher_education.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
- 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_off0000f6ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6AC | 4748 bytes |
SHA-256: 99786418797fa4236421336cf7b267a5833ead6f2aa66a911c47162457017db0 |
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font_01_sfnt_off000106c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106C8 | 12608 bytes |
SHA-256: 24f48bd201ef65296945b1e323c57b29d412bd443490df16c28ec8a80b3e32b4 |
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font_02_sfnt_off0001301a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1301A | 16080 bytes |
SHA-256: a1bdc24ec6dc0332449754d26803ee00bb6717469f64a18f47c680e22104396b |
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font_03_sfnt_off000144d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144D0 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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