MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of a 'link farm' heuristic and the high number of distinct hosts further support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/4ss8h8r6c8tqdk4euv7v1j8283/5420574690.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607893a0bb216---vejaninabovagefaxegowe.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef8c80ffb4---lapirefamaper.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/krh5pcbnvffh8bfqdgha2tptb8/41256816431.pdf
- http://www.halpellet.hu/userfiles/files/wakalesemififidajijegidi.pdf
- http://e-skala.pl/userfiles/file/45643354145.pdf
- http://www.gesas.it/media/mailinglist/file/47858727775.pdf
- https://cam-ceeds.org/ckfinder/userfiles/files/siwizajojunawuzojezejik.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a08fa9b0d97---lexewa.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071846c277cf---rofurekajexikozisesow.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/621f74a9f9316e035d3bc9bf948055c0/sarazokisilanurunuse.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/411ef901811cbe9718e7e597d6e38a5e/zomujajogodip.pdf
- https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/e4aa5b69ecc88235a7c0829699aeb471/15675642715.pdf
- https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/41e0019ce1e76da1865664047636c005/papofoga.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/12d3321afde35c981324240b4c705622/33317370038.pdf
- https://chaletsuenodesol.de/files/bujuxubaguva.pdf
- http://younewstoday.com/task/userimages/file/nikusunupiloziv.pdf
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/rpebkqfg0pamda47a04onpi99j/80643614736.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160847d5448944---73735402305.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/r648ib7knd9k6ouufjr0ck2oia/89534406777.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a371f1a7a57---wozozepovudopuzugazidi.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3810e8a9f---96892514438.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6737deba60---muretizumujikugama.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=bloxton+training+guide
- http://s292376414.onlinehome.fr/datas/imgmail/file/72758597106.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_off0000dab1.bin4dec1e53e735b74fe81ca20da7276e4a72e73759744944ca1a7a5c4380c34d6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB1 | 10508 bytes |
font_01_sfnt_off0000f288.bin2aae50558c919d3eef0b794661c7b3f129a4e1579d3ef9ec5ea24031827f9e87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF288 | 16872 bytes |
font_02_sfnt_off00011ebc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EBC | 16792 bytes |
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