MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external URIs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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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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=recalls+by+vin+number PDF link annotation
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607841d4e5d4a---simejagixuwogorixisuxifid.pdfIn PDF document text
- http://folientastaturen.pl/_data/file/lezagejoduwefixixazutosiv.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/33249652058.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/jc6egf8p0it7rl5me2cgvaqfqf/liweninosuwi.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ddac6a797---tuzipaligarufatamone.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8ac95c5ce---30283270421.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a07c389c8---10550699769.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/vazabawamipixoler.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/xasetajugebofog.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a01b05d5af7---femufare.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5b6714eff---rekixivategibidon.pdfIn PDF document text
- https://nhachoxebus.com/upload/fck/file/87543835601.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/7b8bfb4a926ccf2664856194f1d19160/66209729169.pdfIn PDF document text
- http://wirheiraten.de/images/file/xenuranufinuko.pdfIn PDF document text
- http://lyonsmcafeereunion.com/clients/a/ab/ab8eb7fa8d7cf94b91f67e7e346c80ed/File/1615169822.pdfIn PDF document text
- https://zionapostolicministries.org/uploads/file/bugovuwararudivumevizaf.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/nikusalelawawereraka.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/ff802c9d423bc7f245303640f7ba3faa/wiwona.pdfIn PDF document text
- http://capital96.com/userfiles/file/31312396067.pdfIn PDF document text
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90301293920.pdfIn PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/08798184562850f4b6fba4f9dbf00d24/92665745564.pdfIn PDF document text
- https://kuni.ro/app/webroot/files/userfiles/files/tifiwari.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/612mr7lusqtg9bsa9beee3h0ek/46511868549.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/wikizogasananumipalerivob.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900c10df425---75442735735.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086389ca1521---28574699329.pdfIn PDF document text
- https://okinawa4d.com/contents//files/kasurunikeremimotu.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://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_off0000d66a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD66A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE7C | 16444 bytes |
SHA-256: fae5cf438088358bd1f57e7b7b44e7238f91627d33e86f12b9023723d82057de |
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font_02_sfnt_off0001195b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1195B | 10640 bytes |
SHA-256: 1649ad264d3225c649f0695447e3cc00f47a8e6708368f0ef9bffb1a4ac70e90 |
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