MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to compromised WordPress upload directories. These links likely serve as a lure to redirect users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/cd0faadc36298b0c824afe82b2149a13/gomibunesujawijizagadode.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/ab213ef1496b61f7e63dad7e133e2f69/84655806461.pdf
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/8a5a6ad437b27dadcf957dae0e762027/xolikukukajasilo.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b55e0f21174---56292556479.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095300c4dd8f---dibulijufa.pdf
- https://advantagelic.com/singhania/downloads/file/wusotedabitapopugale.pdf
- http://ankaser.com/userfiles/file/nilewofobigelezexujusakuw.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b79b94be130---linagotudin.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943755911d1---98899994528.pdf
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/e6fcdcde8c147869a6c46cfea0aced58/23446320491.pdf
- http://flagrant-desir.com/userfiles/file/daduvakitataje.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/613124e95b5ca81b1855d2a224c5a6ab/3946874165.pdf
- http://willismctyeire.com/clients/c/cd/cd1fd5262213d36872a77bd42df049b7/File/pumenokurelosokimigup.pdf
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/b64f2e22cddc7a557cf26ca35ecd2366/girew.pdf
- https://101doctor.com/uploads/ckfiles/files/60ceae7f993bb.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16093a73d134d0---wolorovoji.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/f8955e1e5b5669f9d438900564123b6c/musiroxe.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c7b460cc8---kivebavoviputukudul.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/a8b4696e318b39fac874fd745fa832b5/23472977930.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16085485089c72---94896782758.pdf
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/gorajuniziwano.pdf
- https://nadamasristorante.it/file/9204224689.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087abe849999---36855573448.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a07fa529fe1---xoritun.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=world+polluted+city
- 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_off0000ede0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE0 | 16792 bytes |
font_01_sfnt_off000105f7.bin69ead8f70b0440225ee50f0d6e2eed9e453cf01500b9c2f7dc127ef3642115ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F7 | 10280 bytes |
font_02_sfnt_off00011d32.bin0efbb18cfbfe86ce5c33a75af7704544d96671be477f5a42b387c34a46b3ce2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D32 | 17384 bytes |
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