MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers confirm its malicious nature, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://congtydaihai.com/upload/files/rogigerejonatu.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/425dea34dfffe3940835b881001f0b5e/27101546116.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/e5ea31c2ff83b2e90fffb0da318361ba/76402689804.pdf
- http://ghespanail.com/fckeditor_userfiles/file/69569402170.pdf
- http://abnig.friendship-match.com/upload/files/24380029104.pdf
- http://rivebistro.net/ckfinder/userfiles/files/loxam.pdf
- https://mamadona.ru/ckfinder/userfiles/files/62067971772.pdf
- http://b-solutions.net/userfiles/file/boriregakobotamele.pdf
- http://noahmission.org/dataroom/file/81774705418.pdf
- https://partroyfuneralhome.com/partroy/assets/file/maroxeguwiredutelafesutag.pdf
- https://minipowerpack.net/upload/files/pufonujikaperelavuf.pdf
- http://abbaorphancare.org/survey/userfiles/files/50475638358.pdf
- https://estoniapools.com/contents/files/83428512689.pdf
- https://safarekhoob.ir/basefile/safarekhoobir/files/rowigelunurevimuli.pdf
- http://villalapinetafavignana.it/userfiles/files/bamujizonumi.pdf
- https://salondumariagededijon.com/userfiles/file/potidanuxukogupoguja.pdf
- http://skmsm.com/userData/board/file/nopoxewijewunajin.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e833808e93---mamedali.pdf
- http://cottoneauto.it/userfiles/files/febubelasewaso.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/a688ad18d9d398b97041aabf741016f7/86525802998.pdf
- http://sluchatka-shop.cz/files/upload/files/pazoruzoregowisik.pdf
- https://mimpishiosatu.com/contents/files/38631480720.pdf
- http://wib24-admin.de/uploads/file/23147525208.pdf
- https://pamukoglu.com/userfiles/file/zojivufowoxo.pdf
- http://rm-centr.ru/uploads/file/vunuzujuwazafajelasata.pdf
- https://ceccarbotosani.ro/userfiles/file/45337979557.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+make+comics
- 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_off0000b2a9.binc00578743a690b287b423d0504d6fe5da0a2c8a0806fc343cd3e87770493988e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2A9 | 10308 bytes |
font_01_sfnt_off0000c9fc.bin834c933dd8c8ec2e2377e6b334468415a0df81a11baf8a4e420032f7d63b39e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FC | 17036 bytes |
font_02_sfnt_off0000f56f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56F | 16792 bytes |
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