MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of embedded URLs and the nature of the heuristics point towards a phishing attack designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c11f587fd6a---fizolorofizunuru.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ac037d05be2---zuwovalarukarexoxivizozi.pdf
- http://shqinze.net/admin/upimg/file///putoluzojoxotovanomobakix.pdf
- http://bobas24.pl/Upload/file/76810590687.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d460dd89c6---41206228022.pdf
- https://bojovicsirogojno.com//files/libaneguzupatenavum.pdf
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/007ba22c27eca2dad06f92ca57ac6fdc/kuxanexilawulufixov.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d39bd5cbf6a---vijemebatominijogenopavuw.pdf
- http://elazentrale.de/images/uploaded/file/14624335634.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bae1992a3---jagopagenakinogu.pdf
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/9a44fadac01dad617bd7ad2feae2bee2/gemalajamedobenimin.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a42cf5ec419---zojimozatosamutotinomasu.pdf
- https://relans-nn.ru/images/docs/file/26259789427.pdf
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/f9c98ef8bbf5c8066646e64e2d0bdab8/57854691881.pdf
- http://classtool.info/upload/files/5190681928.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16093a1ab02b41---30542050674.pdf
- http://skolicka.eu/foto/images/file/49535521733.pdf
- http://elitaliaweb.it/upload/file/19270985344.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9eb5ea798---tafiranatovutiv.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160abdc9d58d01---3003138558.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/73358545626.pdf
- http://driver-jazda.pl/upload/file/68170244432.pdf
- http://ya-ke.cn/admin/upload/sibovonevuwilulo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=tbi+headaches+years+after
- 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_off0000ef57.bin28fd0199a8d99fe44737d03dca2566ee36622f46201e79bd24e23c2822151ad2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF57 | 16220 bytes |
font_01_sfnt_off0001190c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1190C | 16792 bytes |
font_02_sfnt_off00013123.bin146292f5177cc0030bb42acdaddd04d5cddc057b57cd6b643f13649bd3e80c30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13123 | 10520 bytes |
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