MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs pointing to compromised WordPress sites, indicating it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests these links are intended to redirect users, likely to phishing sites or for malware distribution. The embedded JavaScript is a common method for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/gbm3vb24qcqodkdnkpbvo7l61n/nixelavasusilukoputosoma.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160973f9b0d920---58421173584.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c1aa5c937e7---xifanexom.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/8evk5pak9beineiolmisfoj7kp/43217030598.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609655c8517fb---61551207630.pdf
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/kakatovizexad.pdf
- http://ketoanantamhcm.com/uploads/files/jexisunutopat.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/166db711068a52733368f4ab3abd2591/17750591615.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8b60ebb01---topusixegupevudopizatemaf.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/mtq51rbe2rl64tg7n4dd9nu0dq/61922406586.pdf
- http://www.sport-konyv.hu/userfiles/file/50293712455.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b6167d85---87715887266.pdf
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dc9f027dc---27105489236.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/d4761d16caeee93904e778c8b2486590/lozubemawuzixasumowegu.pdf
- https://emilline.dk/ckfinder/userfiles/files/rodobamelojonalabizuline.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e7e4ac20c---43764415957.pdf
- http://aj-logistics.com/stock/userfiles/file/duzujiwiwumomokege.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3031cd312---56172857693.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c124ac075a8---sukojuxugutipipunujaz.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/7d834c229fc1b47ea48f603de6ee4adb/wigunavasediriwovijokoxe.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c3cb4cabe---matufutipuv.pdf
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/b80e59b61c1320ba2e32e4b1a6e83570/7278313338.pdf
- http://tgtech-auto.com/userfiles/file/gegab.pdf
- http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/vumularimomaguvo.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/b514904877aa25576f96aab5b166b87a/69501334394.pdf
- http://clarksville.net/wysiwygfiles/file/22985098185.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=decision+tree+solved+examples
- 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_off00010118.bindf737f31f99b72b7508cc063ccc7acb8e3514a57f7ed1ebc33d7fb82d3751175 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10118 | 10844 bytes |
font_01_sfnt_off00011a2a.bin3bab7db98181acb45d5813193b3f82f701fde0529455369a25fd029f15970479 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2A | 17976 bytes |
font_02_sfnt_off00014982.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14982 | 16792 bytes |
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