MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm pointing to multiple PDF files hosted on compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution attempt. The embedded URLs and the nature of the heuristics indicate an attempt to redirect users to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://aldea.work/wp-content/plugins/super-forms/uploads/php/files/e0e404b7fd9e0573a2ec1f0043e853db/31198485608.pdf
- http://espacioschillout.es/images/admin/file/24737667163.pdf
- http://cloverdiamond.com/file/woriritepexuzeriwozipuk.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608749401094f---vosetetagujujefu.pdf
- https://dm288.rs/slicice/file/fokuz.pdf
- http://ferrogep99.hu/static/media/file/jedexojozazilu.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa19ef6f62a---tajisababamo.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608630ff860dd---19091290094.pdf
- http://nutronicltd.com/userfiles/file/39306024446.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff54a3ab6f---xigegifedamufek.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/4b8b54de9dff0875ebd642bcece51528/23625357224.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/9ed9d3fdbbe7ea01a305b24c959ab20c/xomegasomudupobimozipe.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/8cafb8b76993d9d71c9a304f3905c67f/kakafusa.pdf
- http://xn--h49avwqct32ewe967crscpsaz7d.com/ckupload/files/70921853223.pdf
- http://stonebreaker.at/15363207693.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/504813f62ebeb9afb699d2ae5397197a/64788973840.pdf
- https://bangprice.combangprice.com/beta/cms_image/file/36774972253.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/7efduc8kj6hck7lnrq7dktnj35/18808544920.pdf
- https://susta.vn/userfiles/file/jogagasikupe.pdf
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/6e2175556dd87570c95afbf31a5c7568/89492480555.pdf
- http://gw73patriots.com/clients/1/1e/1ed986c9d410becccfd9995a8318e329/File/10624789179.pdf
- http://auto-spec.ca/fck/file/rixaropol.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/9p6gfcfcmkovav3f6can5uifv4/josuk.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=call+of+duty+mobile+apk+last+version
- 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_off0000ea01.bin4400126e7a3deadfc834c622fab49e55d3a2c705f8afb6c3562c7689a462a943 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA01 | 18368 bytes |
font_01_sfnt_off00011a61.bin0f43929a66d5928e1116a82f27d24eaec7492d48bc444dd468ab71d7a5f579e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A61 | 11200 bytes |
font_02_sfnt_off00013475.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13475 | 16792 bytes |
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