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://vilenefex.ru/award?keyword=brand+equity+pdf+journal PDF link annotation
- https://woluxubofij.weebly.com/uploads/1/3/1/3/131383763/2261360.pdfIn PDF document text
- https://vabemeraronoj.weebly.com/uploads/1/3/1/4/131452983/notorosamikusoxod.pdfIn PDF document text
- https://bowetupivivuz.weebly.com/uploads/1/3/1/4/131437724/samogubew.pdfIn PDF document text
- https://dusonibegoxat.weebly.com/uploads/1/3/1/3/131380688/mutalof.pdfIn PDF document text
- http://scm03.ru/gijugg34k4.pdfIn PDF document text
- http://bcpreactiva-enlinea.com/brighton_and_hove_buses_timetablepuczc.pdfIn PDF document text
- https://ginuwedisifixel.weebly.com/uploads/1/3/4/7/134744372/565860.pdfIn PDF document text
- https://devatokur.weebly.com/uploads/1/3/2/6/132683056/xefepixinojaro_binixogiw_nonalam_gomirizafe.pdfIn PDF document text
- https://sawuwirepugasup.weebly.com/uploads/1/3/0/9/130969548/4971518.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e5acb3dd-715a-4120-8fad-42e89f252d0f/how_to_read_jack_reacher_series.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50b8a6b1-1caa-443b-b9b3-5cee1fcdb45e/samazipuxofusijigowipuj.pdfIn PDF document text
- https://89f68ddc-9f98-4e60-8afa-3e0ca6603e9e.filesusr.com/ugd/4725f1_4037c10e33bf4f8d9e4a43d1cd8233a3.pdf?index=trueIn PDF document text
- https://df9240ce-57b4-430e-a582-521170ca5232.filesusr.com/ugd/10b03a_bd25105c8c844c3b86beaf6159c2ab7e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/df052bce-a820-47b6-b4ea-0aeb7d72ed99/dna_structure_and_replication_study_guide_answers.pdfIn PDF document text
- https://bc260b4e-efc2-469d-9102-9c7234992d76.filesusr.com/ugd/b1b3ad_61d468f4a4d848b18e8473e11900283d.pdf?index=trueIn PDF document text
- https://9505ca4c-dfdc-4941-8fde-ded35496d0c9.filesusr.com/ugd/2097ab_8459401d8f524d75acdce325d6eb0c73.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0afb41cc-89ff-4506-b8d6-9546c0602d5e/zulodonara.pdfIn PDF document text
- https://s3.amazonaws.com/wupixufekijax/6112092804.pdfIn PDF document text
- https://s3.amazonaws.com/gateme/giwuxusisufobatudaxo.pdfIn PDF document text
- https://s3.amazonaws.com/suxiweke/pimalibodevelagasumomoz.pdfIn PDF document text
- https://s3.amazonaws.com/sisaxu/cambridge_igcse_english_workbook_answers.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000169d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169D9 | 5208 bytes |
SHA-256: f2c2fa9c65c0b7cbe1cddaf78609b9777b275aeae190453ee5d6e31234445e20 |
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font_01_sfnt_off00017baf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17BAF | 13220 bytes |
SHA-256: 0da2fdd156be4cf0b7d8866de02d455c9038f06ed7cec51289ba572f1ae4717d |
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font_02_sfnt_off0001a6d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A6D0 | 16036 bytes |
SHA-256: 9559dd1bd908241551916101fda3d445a26f5c4b506a1423f23393456f9d5940 |
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