MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a malicious PDF detected by ClamAV as 'Pdf.Phishing.Trojan'. It contains numerous links pointing to compromised WordPress sites and other domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content, likely disguised as a digital fundamentals textbook.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://medvor.ru/uplcv?utm_term=digital+fundamentals+10th+edition+pdf PDF link annotation
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e27e1221e9---89615323593.pdfIn PDF document text
- https://pinpointfeedtech.com/ckfinder/userfiles/files/xelatororuzaduwod.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3e7f33e97032e33c3eb707e77915c5ba/190042464.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607c17d2ab6cd---mirepagejifuduse.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d24fb8bd3a---vezimirepitikitudoto.pdfIn PDF document text
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/o2pr0nu1p28ipvvl52jd8t7hes/libopipudaxifexe.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/jejunejag.pdfIn PDF document text
- http://terezmisszio.eu/files/file/96430496132.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ea0d48a31---dazovapa.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4a3497854---jigelexon.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/140bcb8fdf9864ccce9bbe85598a012b/pofumafaxom.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a42cefc33aa---22625412000.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/836dc1ea71f401982966aee50f347c92/feniwik.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/32b1c70c7eba60a87a81f6286e69a57b/wajibawuwobupidifek.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/r5bo2k1l5iml1i0m1toigko5ci/niwuvi.pdfIn PDF document text
- https://iwnta.com/userfiles/file/75134907461.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8C3 | 5552 bytes |
SHA-256: 69a7d81b34fbf570234ac547f20716032caea1a4695ae7d946e56e7287094e6d |
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font_01_sfnt_off0000db8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB8F | 10652 bytes |
SHA-256: 66d1e7aee65ed08d2d724978cf9904eee29b0e597ae51bf3621903dbcf8b0b0a |
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