MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The ML_NYX_PDF_MALICIOUS heuristic and ClamAV detection strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090d279ba2bd---lilomadujagisigon.pdf
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/vajuzewiximajikar.pdf
- https://moto-trend.cz/public/files/fck/file/15789583060.pdf
- https://doctornhospital.com/banglanews24/editorsfiles/files/67680782924.pdf
- http://www.allatpatikapecs.hu/images/file/kalikokeno.pdf
- http://stensoproject.com/userfiles/files/xigur.pdf
- http://adamlegal.com/userfiles/file/75806450861.pdf
- http://maszyny.pl/userfiles/file/jumigedewetuwot.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/517bacc04398de28c3a1f33c798f8651/27364644877.pdf
- https://businessservicesuk.com/userfiles/file/11723952329.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/seulhc77b88ncm6v62fv3aamh8/nuzevegumimesuvewigi.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/9d651a10758069c75384f36c3e227cf1/vowezasokazuvubebuz.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609454dd3e901---49556568929.pdf
- https://ms02bet.com/contents//files/77065767811.pdf
- http://cngwalk.com/fckeditor/userfiles/image/85863273431.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607614c358dc0---26456626599.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608528ad97420---xojodabixobipoxeko.pdf
- http://farmaciafasolis.eu/userfiles/files/zemopelovajetidudifa.pdf
- http://nfc.soo.jp/file/29087270962.pdf
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/dc5559pkbd7cgvdfqkeguj86km/mofugonorofefirakonifa.pdf
- http://eastmoorclassof1970.com/clients/4/43/4343e427eb1b0a0668350338a4d6b623/File/sujofebukoduz.pdf
- http://blackshirts1962.com/clients/f/f2/f245580d3072b78cda2271cf7a7e3f61/File/sebivaselibupupixopetemo.pdf
- https://semineebrasov.ro/printuri-fi/files/92906490227.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609475583d723---nelatemurido.pdf
- http://sbs-group.co/userfiles/files/58605070025.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=always+at+your+disposal
- 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_off0000cd67.bin3656ee8e2df8f885ff2d56d3fd8b18c770dedc8850ad7d15d3524b1b2ee15cc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD67 | 16348 bytes |
font_01_sfnt_off0000f794.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF794 | 16792 bytes |
font_02_sfnt_off00010fab.bind67d06ebe3c3f4f2408133fc92b90e2a58446afb466fa352d06333ec1750808b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FAB | 10428 bytes |
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