MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or redirection scheme. The primary goal appears to be directing users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://nevisnews.com/userfiles/7399333818.pdf
- http://www.radio-kum.si/data/files/xawurax.pdf
- http://indyztyle.com/ckfinder/userfiles/files/60631436484.pdf
- http://hnkingdee.cn/Files/file/202191415115.pdf
- http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/1251361352.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147a45118dcf---lozuzebalo.pdf
- http://edilcfcostruzioni.com/userfiles/files/bedal.pdf
- https://prestinireedcorp.com/userfiles/files/misaf.pdf
- http://kiuanai.com/userfiles/file/sufuzibowawetu.pdf
- https://dnmpaint.com/sdcc/images/file/gibakumegez.pdf
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/lunabu.pdf
- https://pushtypathshala.com/demo/aims/files/images/files/28752059788.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16147d10dc83dd---92089229438.pdf
- http://gattoneva.pl/pages/userfiles/file/mutasenebibedinu.pdf
- http://svazekobciorlice.cz/userfiles/file/92332963546.pdf
- https://sharjahcements.com/images/bulk_images/files/86144576176.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16130dd8f8a378---kunokefomebixerotexot.pdf
- https://sunrise-photon.com/upfiles/editor/files/fokajodiralokopawezeli.pdf
- http://ozdermusavirlik.net/userfiles/file/dolek.pdf
- https://dobre-akce.cz/media/files/file/zomidemuvosawosukazifi.pdf
- https://alusol-kw.com/ckfinder/userfiles/files/13282656813.pdf
- https://nmg.lv/img/uploads/files/tarivafaluralajojo.pdf
- https://bibonatura.hu/ckfinder/userfiles/files/67690257420.pdf
- http://xn--82ca1bkibi6eufn5bh1b7i3e.com/UserFiles/File/99069638485.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=codon+amino+acid+abbreviations
- 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_off0000bcfd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCFD | 16792 bytes |
font_01_sfnt_off0000d50f.bin11374f9d91ddad50d14c5c68bb3379c5e3b18b20ee0af7f821ff2047d7d6a193 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD50F | 16840 bytes |
font_02_sfnt_off00010044.bin4d6ca77461c63ddd191f356d93a195af44f9249b7f5b58034054dcfd39bfcd63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10044 | 10724 bytes |
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