MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories and disposable domains. This structure strongly suggests a link farm designed to phish users or redirect them to malicious content. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160905794b4526---57591432665.pdf
- http://sisparts.pl/zdjecia/fck/file/zibibabudavikidoxub.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/5280c693ac045b5bf811a45a4491b7a3/47043774940.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/7401057746d5b68bd17f84c6fe4ca0b7/jebejuxepimigipomureba.pdf
- http://wksystems.net/HotelEstimator/userfiles/file/dotulutas.pdf
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/uboqbhilrga907q4t3vq4jpou2/rupulopulekeranofivitoji.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/17da878cf8189f524c0f332c1b2653b8/jakaz.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076b67792171---nevefifenafugirit.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/7j05ags38isqm8kgc3f5jv4c22/kebewete.pdf
- http://cnex.cc/images/blog//file/miwefulapapezosuwetubu.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e304884b4a---xewuxejujazutenol.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f27a816035---vavupezixotexezuxumiwako.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160a4559747ebc---82876398512.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/4d11fbdc62656c913123d70af43adf3f/8868485180.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/5ed43beeadc8de76cfdb485428077ef3/zifuvituda.pdf
- http://atek-ent.com/upload/file/firajimap.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d02c2e26d---natawezefivumonuvurisaduv.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b924420bbb5---zofalipejuwumijewanir.pdf
- http://jikaramen.com/uploads/files/53220189875.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43a6b8d0ec---10240415618.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/r1lu42v90um17vnra92nu5eis4/zagikogugexivifovato.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=fvrcp+for+cats
- 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_off0000f01e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01E | 16792 bytes |
font_01_sfnt_off00010830.bin5907365bd65bb1c262a6975c6f15b107c0a09d213da7bb3e4025e9dad42e0288 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10830 | 16704 bytes |
font_02_sfnt_off000133ba.bin6e2c3c1e31e38923cd770be8489ab9ea7a4eb1f5cca6ac7ca087c90f0bb482df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133BA | 10144 bytes |
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