MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to websites hosted on compromised CMS platforms, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and embedded URLs align with a link farm used to distribute further malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/63374704531.pdf In PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a78673078---wigixaxafetonib.pdfIn PDF document text
- http://fmi.lu/userfiles/files/goxotegofelebolekip.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/9810b98c30a3a3564a605af744d5a92d/sexobumosowa.pdfIn PDF document text
- https://fullhousetourism.com/UploadFiles/file/20210704024243184.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210713035945091.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/vomomosibevubipavel.pdfIn PDF document text
- http://s-privod.ru/userfiles/file/30162927130.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4466e3ff3---godidubofanasodifupep.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/19390263141.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/3c24a622f633fd93ae5bbd7969d8af6a/mizipeneje.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/80449494098.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ab4d6d69b---48412198342.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/d4303165ba580c198e9551292d4c4f80/gewironode.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608785f62c5ff---76917719140.pdfIn PDF document text
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1d26272b7---67475914012.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a748317f93c---jekakinonabezozoraru.pdfIn PDF document text
- http://biblioteka-belzec.pl/upload/files/50273667865.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/6aed0309afb27d278caaefea31a45f4e/71544880351.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/64970307509.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/b290915b6c4eb2b5b76de00fbb325aa8/42282337668.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/9348009208b90bfa4c1245191109e1ff/74524796810.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c152bd8e3c7---28796489592.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/a330a66bc664fd31c4b2235302bbcee0/sazut.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=lud+in+the+mist+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E4 | 17556 bytes |
SHA-256: d85efd9012540bb06554d5549c21462aadcc77ac58d54c4aed86d206aec3b55f |
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font_01_sfnt_off00011f6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13781 | 10392 bytes |
SHA-256: cf3927fcb71f32849a6cba2a628de0f15305995db4fe9622bed83ba9703ada45 |
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