MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected by ClamAV as Pdf.Phishing.Trojan and ML classifiers flagged it with high confidence. Heuristics indicate it functions as a link farm, pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious workflow designed to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/3e1d87eec722ca5017c24c793fc2dde7/lerasa.pdf
- https://www.profiemg.cz/upload/ck/files/51420542026.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f04655b95a6---wunadedoxotawu.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/1a87dbb49465a43667050f3ece8c7c1c/21732708810.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ab48523176---388949367.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f2b111e36---39459315304.pdf
- https://medtek.vn/storage/file/11355537073.pdf
- https://workinhotel.com/upload/fckfile/46791425669.pdf
- http://asiadomainstore.com/userfiles/file/92446807175.pdf
- https://jambukuning.com/contents//files/basarazepatojiv.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a88765731---97039554944.pdf
- http://duda-tech.pl/dudatech/upload/file/51431271813.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd09dfba865---tupimog.pdf
- http://qiangka.com/ckfinder/userfiles/files/jijosopunatugulokisilikom.pdf
- http://metafelix.it/userfiles/files/61863636180.pdf
- https://stegopackaging.com/wp-content/plugins/super-forms/uploads/php/files/vvq2boa9vrmg9oqehaetfi17c4/7875160070.pdf
- http://zabradli-znerezu.cz/userfiles/file/65542348058.pdf
- http://topup-fight.com/ckfinder/userfiles/files/80337759539.pdf
- http://nomorecpapmachine.com/userfiles/files/xamixuvebixi.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/51d517f71959bc24294bab26887046f9/firorin.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16086b8c92d856---jajomeferi.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1d914f80e---71827400667.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/d9631ca9468f5e2bf806506c927ac3b1/jerekegewomovixubumixeb.pdf
- https://selispin.com/calisma2/files/uploads/34230205364.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/d2ctp5mbr7suttlmbcekm1gk00/munetofe.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=gartner+soar+report+pdf
- 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_off0000ed74.bin0396d1929d6d809d966eb7a2c4939af9b2f015b9e52da8cf7f0bb876c14c74d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED74 | 16348 bytes |
font_01_sfnt_off000117c4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117C4 | 16792 bytes |
font_02_sfnt_off00012fdb.bine30619305e5fa399e6771ef1a4fc710c6fe5c96922517e696a54be8205223ad9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FDB | 10392 bytes |
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