MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This pattern suggests a link farm designed to obscure the ultimate destination, likely a phishing page or malware download. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/p5uempi08tak59ajo8ke95lqkf/mapovukanolu.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed00ac9e97---45860245227.pdf
- https://fceresources.com/ckfinder/userfiles/files/xonerofumemebugaramoxu.pdf
- http://alexsrmenchion.com/clients/b/bf/bf5401b25fe3457642f5a6f1150d5537/File/41667033765.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/e023c764814f166f7fceaf2dd773235e/16297669531.pdf
- http://kozmetikadunakeszi.hu/userfiles/file/jetukefivaromefugexigiwo.pdf
- http://marketherballize.com/ckfinder/userfiles/files/xivipasuxupikelufironosi.pdf
- http://aisef.org/uploads/userfiles/file/file/56077143575.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/50n0kop0sl4kb8knfti5j6vtit/rafufogu.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ec2ea87233---47523156606.pdf
- http://fireprovietnam.net/luutru/files/gidukagekedotusa.pdf
- https://carsen.sk/editor_uploads/system/files/82100713926.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/eir9dukpd1172ctqtmhihe2pu7/suwemanapetasokikuzoja.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc46fddb078---43113060971.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/2c2d21224734971375b8db710d260d27/30667750165.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607315bab4d96---fupimifovivubo.pdf
- http://kokocurry.gm/userfiles/file/69934434150.pdf
- http://burfel.ru/upfiles/files/38196834420.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/285cc74eb9a4d026b7f98934a1b9e5c7/95728742113.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/ginipixizakimibiziwi.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/74588543135.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a3461e2863d---59623705171.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=chips+and+guac
- 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_off0000ea37.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA37 | 16792 bytes |
font_01_sfnt_off0001024e.bin801ae06867208a0a83f98e0f1444106593e31939711d249e1f8e699225159474 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1024E | 10428 bytes |
font_02_sfnt_off000119a3.bin6b56255d018686752f9b0fc3dfc860595582bdb7b4a9f86c9988bde14878aa4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A3 | 18008 bytes |
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