MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and the ML classifier also indicated maliciousness. Numerous heuristics indicate the PDF functions as a link farm, directing users to various external websites, many of which are hosted on compromised or disposable domains. The presence of 'utm_term' parameters in some URLs suggests a phishing or SEO-based lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://archism.ru/uplcv?utm_term=wlan+netzwerk+sperren+android PDF link annotation
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/c086cabc1aa17a9744ac1478411494d1/76617525444.pdfIn PDF document text
- http://lmtechsolution.com/userfiles/87397840802.pdfIn PDF document text
- http://ekmeta.lt/failai/file/mutivifoxejar.pdfIn PDF document text
- https://ip-kamera-rendszer.nuttydog.hu/ckfinder/userfiles/files/61474581779.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/22345630172.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/54820440763.pdfIn PDF document text
- http://siciny.eu/userfiles/file/nibanosekuwosu.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161344e83d2310---43592209845.pdfIn PDF document text
- https://www.edm-medical.net/ckfinder/userfiles/files/xedisitapemavukid.pdfIn PDF document text
- http://ausafe.net/images/art/files/zadavovomofesetoxeliras.pdfIn PDF document text
- https://aletihad-group.com/userfiles/files/88502058542.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/e13ce006659a321850ee1c2caa43b067/japisij.pdfIn PDF document text
- http://recit-de-vie.fr/userfiles/file/37884647840.pdfIn PDF document text
- https://jmtours.co/aym_image/files/kisugisuzax.pdfIn PDF document text
- https://webkapper.nl/ckfinder/userfiles/files/7268031030.pdfIn PDF document text
- http://antansconstructions.com/ckfinder/userfiles/files/87838176973.pdfIn PDF document text
- http://quaint-house.com/images/blog/file/bivivabigifixe.pdfIn PDF document text
- http://wasserburg.pl/userfiles/file/sowezakibebasajofapopu.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/7v753na0gmpf22hltutnaunm00/59060481555.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161437b06e1778---jitixejafotowofosapap.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lilijidox.pdfIn PDF document text
- http://damosushipleasanthill.com/uploads/files/vemovu.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/besodorofuzowedod.pdfIn 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://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_off0000d267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD267 | 10616 bytes |
SHA-256: 1df2e562d2bff45279767000a0afcb6d4ded3fba53299957558ccacbe27744db |
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font_01_sfnt_off0000eadf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADF | 18692 bytes |
SHA-256: b55b4e04b97f66603e36e82d529210656a2e2497a72c36366f365904c31ce6b4 |
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font_02_sfnt_off000119f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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