MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features a link farm pointing to compromised WordPress sites, likely serving as a lure to download further malware or redirect to phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe3df04cc3---jufupologilomumaj.pdf In PDF document text
- http://inlovehuahin.com/file_media/file_image/file/gepuwezexuresef.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/139847dab782474b0adc8ffca1cdd4c6/tilexalowilo.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/memuk.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c59f3ae5533---kepisibojebilifezejasiv.pdfIn PDF document text
- https://keongracun.org/contents//files/83459566702.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160796084b741e---24172048886.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/2102244646.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/bb1fe931ced9c62eb236acaf831f3bbd/xepavekawalijujekugox.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a946d85fbfb---kapitovijeg.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e83ea03a81---97777755876.pdfIn PDF document text
- http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/bapalemikizizosolorubapa.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b05a6565915---11988646892.pdfIn PDF document text
- http://remaining-mc.de/userfiles/file/88892230243.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/f55a8709314d38e3b05b6e31e0b2b768/kafaverafidefarebomi.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/9743254324.pdfIn PDF document text
- http://washburnhs64.com/clients/f/f7/f75dc469904bb25755ea64d7551c4a95/File/49762562989.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1e1f58de7---77563433737.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a46ecb47961---punomepoletaw.pdfIn PDF document text
- https://perfecthospital.org/ckfinder/userfiles/files/modikazotawafegotufukiwab.pdfIn PDF document text
- http://retco.ge/ckfinder/userfiles/files/rerajobozijipexaxaguf.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/2021527231697679.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/36568711459.pdfIn PDF document text
- https://sunrise-photon.com/upfiles/editor/files/34056879081.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f0d6d9c5b---17122433344.pdfIn PDF document text
- http://sammyuriasproperties.com/userfiles/files/23390505859.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=pan%27s+labyrinth+watch+online+freePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ffc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC4 | 17844 bytes |
SHA-256: a2c420458324f46377f91c8731d6b725c4073f06c16e17bd23c09e0767d48645 |
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font_02_sfnt_off00012de5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE5 | 10808 bytes |
SHA-256: 89342e604ab145454a86ad063ad4d09e7399d7ac82d3d4437549edd9e39cf2ed |
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