MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload sites and disposable hosting domains. The embedded URLs, such as http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66d7d50b0b---93640635419.pdf, are likely used to host or redirect 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://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66d7d50b0b---93640635419.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/298dbd8e453123efd052293b9f834c31/vakabulokemo.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160a744fadeef0---21969485281.pdf
- http://lapenya.cat/imgjovesnaves/file/rakobubode.pdf
- http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/53970678775.pdf
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c8062f10d---nukarovu.pdf
- http://lblussana.it/images/file/74962279617.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/c19c12e71a9dd2435c33a4c944d3dd7a/moximopazivewomujanebuvav.pdf
- https://karpzbeldowa.pl/uploads/userfiles/files/84662086018.pdf
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/43199eb62d528a5750b77f59f141a62a/45483196164.pdf
- https://stopserv.ru/files/file/59264183054.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e3a981fca---serax.pdf
- https://abeess.com/userfiles/file/vesujus.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/25bccd177bd15bd848793438f59ab272/dikowovukobawerimexubi.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160761bb534cd9---6797853223.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/bbfc4d33c5c4fe5097e957c9d3babdf7/xewisije.pdf
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/pugegejukumejog.pdf
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/glm96m808d37mqe3vu54s7lof5/35958705987.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160747eb083bb3---33548579038.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/dunuxi.pdf
- http://zulaikhatextile.com/userfiles/files/76308894051.pdf
- http://amandamaitland.com/images/file/61480052477.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=omegle+live+video+chat+app+download
- 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_off000102c5.bin8ce936d2aefe65f0e4b491e50056b8a1663c678767613be5fadb3b88c48f1f21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C5 | 17268 bytes |
font_01_sfnt_off00012fd6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FD6 | 16792 bytes |
font_02_sfnt_off000147ed.bin33bf9a4149df6fb03d074fc23a5e258f599bd010167abc5710de392f185b1d9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147ED | 10872 bytes |
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