MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous external URIs and links to compromised WordPress upload storage, suggesting it functions as a link farm. These links likely lead to phishing sites or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=sore+roof+of+mouth+and+throat
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/vjv3482v8seuuk76iql0d8jb2r/jumoligeboxikexe.pdf
- https://zemiigori.com/uploads/file/foguporodavesazomogij.pdf
- http://king-pro.com/userfiles/files/93586338795.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/7bc491c925f9002fe8f61e3f74586ceb/47788597622.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/70887badccb3b430bf2faac63ae1df2e/salinogifenikokawa.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/9m0niknad4k5vkaj1nu98grs96/96575357733.pdf
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/752e07a8463c4c112f2dcb885b303020/51639873500.pdf
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/a9c77862f4f182a1501e2d50bb485c46/56199558773.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160819721a9c11---jisanurosozawuba.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757687ac7c4---fekilovagisuvejozikuga.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/fndsaok2ggt7gqk9k83eqq2d41/mefimovulemodabotenol.pdf
- http://abwpetersburg.com/uploads/files/waxupugorebawiz.pdf
- http://laiyi-art.com/userfiles/file/xupibotazagowati.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160844825aecd3---43010576016.pdf
- http://www.anieliasfx.com/uploads/textareas/file/15116051924.pdf
- https://pharma-tools.eu/galeria/file/posil.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16093b8fcdc03d---vofufebux.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d3244a45d---lebirigaraxupiwodevem.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa167c04c5c---74003875563.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b8c675894c1---50829131921.pdf
- http://medicapoland.pl/uploaded/file/25200199194.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/fa9c3103c1a266ca7d8ebf6fc598c00a/gevifomixanuni.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_off0000f2c8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C8 | 16792 bytes |
font_01_sfnt_off00010adf.binbc1321b4ff6f162dc27781fbc74d384cd27940917c3d53cdd77da81f68312161 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ADF | 10488 bytes |
font_02_sfnt_off0001228c.bin6ec0e0d04b1e0570679c466becb4360cf84be0850e7c3cba009d818f00148218 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1228C | 17372 bytes |
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