MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites and disposable hosting domains, indicating a phishing or scam attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of numerous URLs, many using UTM parameters, reinforces the phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://irlanc.ru/uplcv?utm_term=bicep+and+back+day
- http://vervesimuhub.com/userfiles/file/85887629551.pdf
- http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d0317d8d1---32668482522.pdf
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4af4450da---fafeligu.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba17d69196---36193526290.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f60f3248c---jogorakiter.pdf
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/laboleveji.pdf
- https://ce-mi.pl/uploads/userfiles/files/bonolot.pdf
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/rakurebapinuzenuvit.pdf
- http://sochisushi.nl/survey/userfiles/files/zerukofovolejasagawunem.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/0anf7jv0igl3t1dm18arq15bp1/72825619223.pdf
- https://impactcleaningserviceskc.com/wp-content/plugins/super-forms/uploads/php/files/51b31869cafeb6b9be6a3e0c28a48ee1/buvegajawoseziw.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/517aea407d1cf0c7bc3f9513dbc6d562/teruvarimagudejafogaxevo.pdf
- http://vencedor.coop/images/admin/file/vekedepijal.pdf
- http://arniestribu.com/campannas/file/sanivupadi.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a035fc2e018---voberasu.pdf
- https://sieuthimayphat.com/ckfinder/userfiles/files/rifisirexezos.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/cb2510e00192d2d345766ac34c06b6d3/33691875705.pdf
- http://taiyoaquris.cn/upload/userfiles/files/20210529203351.pdf
- https://biovuspharma.net/userfiles/files/mexakemuxozule.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6e3eb0f8d7---bigukuxapupofiv.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f42f1b3f4---21527845572.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e9ba2f9ab---saluwanutuzetixodiwozu.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ff9b6e816---46480685667.pdf
- http://travelport.pl/userfiles//file/rojofoti.pdf
- http://trimblehighalumni.com/clients/84492/File/fajuferumuredonurenok.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607570ebe0ceb---takateroxi.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bf1c.bin4f2aaae0425328bc69bfd41edad25936c111a513afb2d22c25ee66eec0fa1797 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF1C | 16144 bytes |
font_01_sfnt_off0000e90e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE90E | 16792 bytes |
font_02_sfnt_off00010125.bin4c8f7655decf28ab8d24d8e66ff9724c9b127c16720e02e47eca68aeba8e689c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10125 | 10372 bytes |
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