MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of numerous distinct hosts and the use of 'utm_term' parameters indicate a strategy to distribute malicious links widely.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070d1587892b---21590838971.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/2f026afb986d33b7688d39d90bae1dd5/93234242256.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/54878ba7aa9423f66a953b9176748fda/77088692889.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc582eeca1---36663930731.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/d5e5367b5850a8a412706105984c6939/wegurasalipelumubuwuj.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607d62e961990---92371115519.pdf
- https://zapcdn.space/web/img/podborky/files/guvegopew.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16075bebf07e39---63782942045.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/d6f3446eff10a4ef98def5afc0f5cfb0/xojibuxiwakebedexokom.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607536be3159d---89546646690.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0e1112767---6190743715.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160815fadb4830---deluloni.pdf
- https://anakaygame.com/calisma2/files/uploads/linuxibizumijifovoxera.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607695e695479---74343741182.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090eeeea5f68---55156857561.pdf
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/g6agcm2iqs5hp9hf469g1ga636/xuzil.pdf
- http://remont-etalon.ru/upload/files/84971516935.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/23769854ba3138955e320db555b0c681/xozoxopabimureta.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f5d351521---zitegijexizofodefonopo.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/c1974d68ce2c622c7048beee3d051b58/89667718674.pdf
- https://jagominum.com/contents//files/kiwux.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/874373ad3b9b679c03fb2fda2d43c75b/90635947322.pdf
- http://deurenhanger.nl/userfiles/file/7803384012.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b57a6ad0f74---nifuzavujazezomawikaxix.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=what+is+bail+in+law
- 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_off0000f130.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF130 | 16792 bytes |
font_01_sfnt_off00010942.bin6155166acabd26e264650ada52b105fc9b9059b599349f59d1d4c2b36b06ef07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10942 | 16656 bytes |
font_02_sfnt_off000134ad.bin98bde33a5262d6d22d2c866858164c9452cbb74787dc21185d0b76e701265680 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134AD | 10072 bytes |
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