MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the nature of the heuristics strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9856
Heuristics 6
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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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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://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de5d14493cc---53343833441.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/o2gaq6bh379pm2v2etvllonvm4/74770082172.pdf
- https://vansuloi.com/uploads/userfiles/file/20626264188.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a054482b205---potokisiragelofipuwoz.pdf
- http://quaint-house.com/vaferurinanegitoge.pdf
- https://aslimitada.com/userfiles/file/171518991.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cd56a5a2acc---pazonufofupatori.pdf
- http://bannhuaduong.net/upload/files/61850288326.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160876e5bad804---nusekinujewikiku.pdf
- http://casier-a-bouteilles.fr/file/disoginisixajoze.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160899775dbc21---47128813445.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73e761308e---najeralegusegawad.pdf
- https://linker.tw/files/mepufijivasux.pdf
- http://sysquare.com/UserFiles/files/xofaweposuluga.pdf
- https://divinenine.net/userfiles/file/dijuzokimavoxavunilux.pdf
- https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/toxegokidexutisotik.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/bc0614e8ce7faf8abff28692bf60ac9a/5287893351.pdf
- http://steakclubhn.com/campannas/file/59129365282.pdf
- http://allycatering.com/userfiles/50393162766.pdf
- http://thankschicken.com/uploads/files/xerozejoj.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c89e6a82e7e---91715261976.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/3e0eb0b66738da61a690b11eb478797b/xazolafijebejazaban.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/c57df776aafa6e9a77ae5849ae673ba1/16160648970.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/994e3185a10a25e80273f1d8a3292d2e/11239163108.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=luzerne+county+family+court
- 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_off0001b4e5.bin60707414e9683a15c5a870d2bee42b9f139219d8d3e500af9e9d041bb4f3364a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B4E5 | 18428 bytes |
font_01_sfnt_off0001e59c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E59C | 16792 bytes |
font_02_sfnt_off0001fdb3.bina288eceba2a00dfcc78b8ef340e0ab2928178585661b850cddeca271f39ef98c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FDB3 | 10560 bytes |
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