MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised CMS upload storage and disposable hosting, likely to download a secondary payload. The presence of embedded URLs and the 'SE_DOWNLOAD_BUTTON' heuristic suggest a lure to trick users into initiating a download, which is a common tactic for malware distribution.
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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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 http://labuchedeberce.fr/userfiles/file/14266083100.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/67ao9m49g3ptp5h8l5ec53llm7/21228163254.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149ab050656e---87268350358.pdf
- https://jmclimatizacionhvac.cl/images/subidas/file/nukoxenuleravo.pdf
- https://zibarajabi.com/cache/fck_files/file/genufuxanewoguniwol.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/308b5b0f8fd80e16db8e9ec8580463a9/zafelewapowotuxepi.pdf
- https://rowadalbyt.com/userfiles/files/nimesemuluzogazovil.pdf
- http://zvezda-rostov.ru/ckfinder/userfiles/files/busarosusuxomogapa.pdf
- http://stardentalcare.org/userfiles/file/27889964308.pdf
- http://ulv-fogger.ru/d/files/vupup.pdf
- http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/tamuvigemuzozelibinibiwa.pdf
- https://myparrotfood.com/user_files/files/ronomumudafegabozobo.pdf
- https://playindiano1.in/ckfinder/userfiles/files/movafo.pdf
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/d3ee78f1bc5890db43ba41f82d133508/50608203271.pdf
- http://cdkuys.handysociality.com/upload/files/wolukiroratunuv.pdf
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1b3518c18---40952456751.pdf
- http://waxiangyuan.com/upload_fck/file/2021-9-4/20210904203450169097.pdf
- http://artediapharma.com/upload/files/11994223076.pdf
- http://koyomisushi.com/uploads/files/ragum.pdf
- http://euroambulans.pl/userfiles/file/25031980026.pdf
- http://gamecoast.by/uploads/files/99057217840.pdf
- http://www.memoriahistoricamalaga.org/ckfinder/userfiles/files/duxeguxizetigijujaput.pdf
- https://soalmatematik.com/userfiles/file/koxesife.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=suryavanshi+movie+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_off0000e347.bin406e7082886603f38b61f8b5fac39ee1153f865c99b0af68547076179bae78b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE347 | 10856 bytes |
font_01_sfnt_off0000fc29.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC29 | 16792 bytes |
font_02_sfnt_off0001143b.bin5ee58a9d63c228a1540d4b87bc48d67699927e9d66d52f5886826c2171b42b13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1143B | 17256 bytes |
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