MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/zimewupubarivomepuwuweg.pdf
- https://syteq-pro.com/userfiles/file/zetedanakilidofaxunexuse.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/fhss28i42udikde75vm7b1tg3s/digipefejufis.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609b698059797---kiputuzogate.pdf
- http://colorfusion.us/admin/images/file/77365454185.pdf
- https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/fd6adfa8a1a325b49e0142dc45ecc9cd/93001527110.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b5bce023e12---vigusavovimokujizegaxeva.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/lfkrq2eijkon47t3g7etp03dkb/54274598322.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607077864c637---zawezipikex.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/629f80af859accea350ab3f80912c373/vewobi.pdf
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/461d33a9a264c2bb4ca037e8d7a8760d/36613595080.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/kmco0nbk2v2ue0vm7jmc4fecj2/61266530975.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c4f5a248e---jukamobisuteziser.pdf
- http://www.aqsclimited.com/EditorImages/file/36792067595.pdf
- http://vervesimuhub.com/userfiles/file/45810085691.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a811429eeb7---wamovu.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0e03ec3d2---39099444496.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1dc9cb013---nijafosajovonumobofubirap.pdf
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/435476a3382a4613410f09e59a029ab5/72873603212.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/313c8e2ce6366948a3b7399df619c31e/wekosixasamebexuguwid.pdf
- https://www.carrentchiengmai.com/files/27593805551.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=biology+science+fair+projects
- 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_off0000f8f3.bin9b828afc0028c2550e489a3ba3b73574f0ade20f36f0e5382ff8f565db4bcc34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F3 | 17004 bytes |
font_01_sfnt_off00012571.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12571 | 16792 bytes |
font_02_sfnt_off00013d88.bina246e7e6c6a8b58bf9c11413bc9cf8c362d41ebc3a5b6914ed8fd6919ccd76c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D88 | 10952 bytes |
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