MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a link farm pointing to multiple compromised WordPress sites, likely intended to trick users into downloading a malicious file. The presence of PDF_RANDOM_URL_LINK and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics, along with the ClamAV detection, strongly suggests a phishing or malware distribution attempt. No scripts were extracted, but the structure indicates a lure for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608be4bf89da0---70275760053.pdf
- https://ficsllc.com/wp-content/plugins/super-forms/uploads/php/files/d0582dmtv07hull021v52aogf3/66575630443.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d3f13b51f15---87238224453.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/9b765a8fe87a4c07581342251b4e5bbb/40709740213.pdf
- http://siembra.me/uploads/files/vutofijosin.pdf
- http://location-appartement-venise.com/italie_documents/files/nerewejelosuwufodolaxivu.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf8fe62f39---36291920108.pdf
- https://theatresaucinema.fr/uploads/file/boledemad.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1bfcbfbf2---relomuzaberesozejunibo.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/9eb10ad626106d29d34ec9e07265f3e5/laderovifexatazitoseto.pdf
- http://pokorny-podlahy.cz/UserFiles/File/6697827010.pdf
- https://www.passion-rnd.com/upfile/files/2021/06/17/71144218154.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb564143f9---50232258646.pdf
- https://pfhotel.gr/ckfinder/userfiles/files/wilipitewusoj.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160915a6d5ee9b---74706768450.pdf
- http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/8e3402195de7e31bccc4d751b9d99934/92717281919.pdf
- https://artenika.pl/fck/file/17107647180.pdf
- https://ambulatorioveterinariosismondi.eu/file/zulorot.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/dmatlak91u6q1lrsvdv9bdkc31/56201216379.pdf
- https://tigercabinetry.com/wp-content/plugins/super-forms/uploads/php/files/4624d3daf845c496e6f45abd3d780cc4/83287196300.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c076d91b684---telumagizuxapazaxunabawol.pdf
- http://www.anieliasfx.com/uploads/textareas/file/65722096787.pdf
- http://asupuro.com/user_data/image//file/79418511776.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=why+is+my+heating+pad+light+blinking
- 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_off000107e4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E4 | 16792 bytes |
font_01_sfnt_off00011ffb.binb9c022f450fde33684a64ca72c56b2a42ab05271fafee250d598731633dcaa7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FFB | 10960 bytes |
font_02_sfnt_off000138c6.bin4cd4b9d7c1511151dd26560de8deeb785c36dd7b6774c7b613b5a4fd5d9fcd8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138C6 | 17588 bytes |
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