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://midufefew.ru/123?utm_term=dr+mohamad+barakat+formacao PDF link annotation
- https://cdn.sqhk.co/bapuwanuvadi/gjKtgja/super_hedge_birds.pdfIn PDF document text
- https://cdn.sqhk.co/kasavakujosi/je4I8ia/2497545176.pdfIn PDF document text
- https://cdn.sqhk.co/datisafapuv/cerjchb/wings_etc_laporte.pdfIn PDF document text
- https://cdn.sqhk.co/gimiraxu/bjc8gdy/crop_tops_jumpsuit.pdfIn PDF document text
- https://cdn.sqhk.co/nejisakatok/cLiiCjd/recharge_my_airtel_dth_account.pdfIn PDF document text
- https://cdn.sqhk.co/zexupibo/gcXuHRT/29757449565.pdfIn PDF document text
- https://cdn.sqhk.co/feguzuvubut/RAjjgoN/87965671833.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/rexogeguxosix/wetobutulivifawubuxa.pdfIn PDF document text
- https://dbba0f06-1911-40f0-8c80-a2638c7f81cc.filesusr.com/ugd/b13fd1_14d92c374085450b9e077c2c09e254da.pdf?index=trueIn PDF document text
- https://466f9527-ada3-48b4-ac0c-4ba5546996ca.filesusr.com/ugd/a4b6b9_55c95e57daca4025bb60964f07f8abcf.pdf?index=trueIn PDF document text
- https://c46c713f-5e69-4c64-aad4-d86f29440f76.filesusr.com/ugd/957c7b_cdfc1d3436b74ecd9c60efaefa70e56f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tutasujal/41688261093.pdfIn PDF document text
- https://66f9544f-8325-470d-a543-c07714603334.filesusr.com/ugd/4b2642_765d5d10f920464dae1234c839ad260c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/muvevanepen/namifav.pdfIn PDF document text
- https://c4e42e93-254c-4ba8-b495-737f84002742.filesusr.com/ugd/ddb60a_dfdf76c7fab54495a3d4fe2663610c50.pdf?index=trueIn PDF document text
- https://cccd2283-d272-450a-840b-6541230ebad2.filesusr.com/ugd/5de1df_7ca5a23e4f1d4356b4e126f0da5aa1dc.pdf?index=trueIn PDF document text
- https://e61e9f85-32c5-4861-9fd4-b89109084c35.filesusr.com/ugd/2e4eb4_09742e5588564e208a2d11b662612ae3.pdf?index=trueIn PDF document text
- https://15e12281-0fef-4bb1-b284-2b61ddec1698.filesusr.com/ugd/6c5390_b6b384d4c9534875a85ede199c508793.pdf?index=trueIn PDF document text
- https://6cbe2f5c-748b-4bc6-b691-25a968a47885.filesusr.com/ugd/d6b5da_2734c4c82a124e5d95cb0f726afd33eb.pdf?index=trueIn PDF document text
- https://98350ace-7ac4-4f38-a9d9-579fdad8050b.filesusr.com/ugd/9b2d9b_5368bfd4cdc349079e9817070c48582c.pdf?index=trueIn PDF document text
- https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_89a47facdcd7415dac37c7e9c5f41fe2.pdf?index=trueIn PDF document text
- https://a72b158e-cead-41d6-a0b3-8518216316a4.filesusr.com/ugd/35c6e2_103010631c8a434583e479c2ce58a473.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_off0000ef2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2A | 5252 bytes |
SHA-256: 1aa6baeb5b8dee2556cb4e3d47f5da5b028a005789d201ca6b866027a76b6d10 |
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font_01_sfnt_off000100e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E4 | 13528 bytes |
SHA-256: 218b93c395f8b9f4557f2bc8bf517feb4012b6cac90a996a2e16e2a7da3327a3 |
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