MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is identified as a link farm, likely intended to redirect users to malicious or phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. No scripts were extracted, but the embedded URLs and link farm structure suggest the primary goal is to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://queure.ru/uplcv?utm_term=list+of+cities+in+kentucky+by+population
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/e5eced693c6aefc03613e0aecf9ba0e6/sibajesobovovesulub.pdf
- http://kondicionery-vidnoe.ru/upload_picture/file/97198123073.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/dda38a80ff1dd26b82bd11f7883e1bca/gedodagovajibanebebofozis.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/14da8bf6885f76ecd35d2356caa5f892/dupitavamemiponupek.pdf
- http://lica-mpt.it/userfiles/files/53423212091.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/e0189f0d8ea42c2ae96953b5bbaae2dc/woxajuxibuweme.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608de07d8ca68---41341344299.pdf
- https://taiwancy.com/app/webroot/userfiles/files/92960866286.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160b30a7fca395---98564193193.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/ft23e7qi8h6e5cn526hemg1ht4/wegigitosidojukerogipotoj.pdf
- http://reneenicoleevents.com/clients/865995/File/98067745956.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/6b7de1bf732f50b1285ff8b56828094a/sumajine.pdf
- https://dacinsara.ro/fckfiles/file/81753652276.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d836b3f69d---5870386950.pdf
- http://nkcophs50threunion.com/clients/0/01/014062e559e26c1cf0711bcec4e573ae/File/20733730102.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afbf241adb4---38278062518.pdf
- http://maility.pl/_ADRESuserfiles/file/15972080758.pdf
- http://www.dean-cpa.com/files/adminpic/file/bokurux.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/c0bc0dc498ddd2cf47a0b5a69261e08c/dotezurilejekesazawuwuk.pdf
- http://ceomit.com/fckupload/file/goxupogejogizusuki.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160848584a7233---novibezugukadagovuzexu.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_off0000c283.bindf870cd25abeb88165dce713980ba6bf177a1ca77131fd6909711c06860fdabc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC283 | 16472 bytes |
font_01_sfnt_off0000ecf1.bin6cf16ef8ece40a8b980a4166ba6aaa76056c8595a3327acc42b71f3da70a8f34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF1 | 10776 bytes |
font_02_sfnt_off000105c6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105C6 | 16792 bytes |
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