MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains a link farm pointing to numerous compromised WordPress upload directories and disposable hosting sites, suggesting an attempt to obscure the ultimate destination. The presence of external URIs and a link farm indicates a likely phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9863
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://krisoc.ru/uplcv?utm_term=dc%27s+legends+of+tomorrow+season+5+episode+2+full+episode PDF link annotation
- http://seanmore.com/userData/board/file/zanunijegasopus.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160e07435447f1---43256465143.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/38311843104.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610372ff22014---jevezaboguk.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae44e1735cf---69734583005.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed4a6189f0a---66734735180.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/bf0e45a49a635ba048a57751fbe1818a/59006172834.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/warikutiwemewapegixotup.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/5jlmm44n3548s6gmsv2sl9p1g3/44154204036.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/glas2b1h8q14ccrud337rd69o1/lanomupuvuwevunujafu.pdfIn PDF document text
- https://xn--mgbaf4adbs1bd2i.net/upload/ckfinder/files/xibojelelo.pdfIn PDF document text
- http://waukeganeast1980.com/clients/877304/File/71987100809.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a70d017594a---45377067209.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/9ps40vpnebpgho2usd3pe1oa22/29316989657.pdfIn PDF document text
- http://bluekeydigital.com/images/pic/file/45047710279.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/6bb51fc9d41c6a7c38dd1be2d78012ac/kigunopawinanuzu.pdfIn PDF document text
- http://bethelhanberryaaa.com/clients/2/24/2465ef4bb9bb1b7382310ae17d7cafeb/File/komofemerapasenit.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/gatabilupisaxijidabutenas.pdfIn PDF document text
- http://vizcsap.hu/files/file/44591351476.pdfIn PDF document text
- http://lapenya.cat/imgjovesnaves/file/85172110431.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/21088436167.pdfIn PDF document text
- http://pcccmiennam.com/media/ftp/file/diwufinexebuzo.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160776472c4c93---35868601428.pdfIn PDF document text
- http://tryinvest.eu/userfiles/files/89262465460.pdfIn PDF document text
- https://deshpanday.com/ckfinder/userfiles/files/35169464457.pdfIn PDF document text
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/7f4b135e6f70470302b521db070767c3/45283133422.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_off000152be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152BE | 17832 bytes |
SHA-256: f635427227d1f29022ef4ea1dee6e9d0d3f800c90de89308e2caddca6aa01005 |
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font_01_sfnt_off0001819a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1819A | 11436 bytes |
SHA-256: 2d71106d64a24bdd0ad1ce93ba8133e60004a7c88ea6a7a46ca3dec6d091474f |
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font_02_sfnt_off00019c99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19C99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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