MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to potentially compromised WordPress sites and disposable hosting domains, suggesting a phishing or malware distribution lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to deliver a secondary payload via the linked PDFs. The document body is heavily obfuscated and unreadable, providing no direct textual clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://kaies.cn/upfiles/file/22613847786.pdf
- https://uppersanduskyrotary.com/cms/files/File/53307838380.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/db85a8e73a0d404043cf54b39208c38b/zivowobiwotev.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b21967b4b59---vizoguwe.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8db9e4458---77551637463.pdf
- http://makinsushi.com/uploads/files/fufedugogekijax.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9af1f2dbbf---xopegu.pdf
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/0ekr0s6oorilem74418i5lv357/96522093364.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/8pqs98sjidak1g67pgacl39ho2/93925177899.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/43d2d2e1539ff3284920b5beb15742c2/kamolumikav.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bb894d748---18336631591.pdf
- http://szwygs.com/upload/22603958611.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/d7or62oaiu99fhbr48ms4v43s7/40749012542.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16070c220c6b73---99702733795.pdf
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/6368fc3964fdf839dd561766964122f6/46751991005.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/914e9dfa9660b953760109c99d0597f6/88652621805.pdf
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/5956c0962d06ae2571dfc6352e429397/5325035965.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/tl5gq79c7acbj0m1llud2dnnh6/lizadebipozuzininewav.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=to+everything+there+is+a+season+kjv
- 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_off0000fac8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC8 | 16792 bytes |
font_01_sfnt_off000112df.bin02a92c703c98597eb068266b6d508e827ad0c68351ab3d04c72b8f6d866f2773 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112DF | 10704 bytes |
font_02_sfnt_off00012b6c.bin678f47de1a1fea17071b72ec43fbdf7f89c65ea084a427d2969c6c250797b70d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B6C | 17928 bytes |
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