MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to compromised WordPress sites, suggesting a lure to download further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of multiple links on disposable or compromised hosting further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b9d6a4954---wetipogavikizunusa.pdf
- https://goodline.by/userfiles/file/39054011857.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a4fba70de---wamixibaroteti.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4848e5b36---10872362333.pdf
- http://www.contal-farmer.com/uploads/files/48368992340.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093152b9e516---12821317721.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/6069e73e5f7ba6f78f5d07f283132791/19045021247.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/40734923009.pdf
- https://vresponse.net/userfiles/file/33196587663.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16076c38d122a3---8298410581.pdf
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/6758a4536e72c55f3d1f21ae610eee8d/gewetoxen.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fee5b6e077---66355255967.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/of5ll0vkv9hq9o63g3ni008lp1/85896766842.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c340e3442a5---30502937071.pdf
- https://eatorhours.org/e-bussiness/fckimages/file/wojifelozuxo.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc65f3dbc39---lojenifivepozemewiz.pdf
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/7a766ff5e21b2ee46dd852435e1194b6/kajazafezonajojaxefo.pdf
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/eg8sg9phpgeid8gaa6ufd4lpl2/42710372750.pdf
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/msr1ovsulrpfu9h9ii21gt0kkn/80987516691.pdf
- https://machnhaduong.com/images/uploads/files/30089066920.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/992a7a60ae39bc00afd432ff7e0dd6fe/89772261308.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160978e0cbc5f2---gonufodu.pdf
- http://sanitaerprofi.ch/fckeditor/editor/images/file/27977389918.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=interactive+form+fields
- 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_off0000eae2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE2 | 16792 bytes |
font_01_sfnt_off000102f9.bin84124cdd9d5cd005cacfbd2559235ff7996d930bbf18b52f9e2ced809987fa53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F9 | 10652 bytes |
font_02_sfnt_off00011b5f.bin50ed9ec9119c02e335529e11fb5f28b855a1ab8dbdc61f53f8507e41549ec20c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B5F | 17252 bytes |
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