MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm with numerous URLs pointing to compromised WordPress sites, likely serving as a lure for users to download further malicious content or visit phishing pages. No scripts were extracted, but the presence of embedded URLs and the link farm structure strongly suggest a phishing or credential harvesting attempt.
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 http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ab47a35b4---82001155764.pdf In PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e954ad9f8f---2257595489.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/70978052420.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160745761b5390---rajidawomabifagira.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/1u9gimkhl5cvonai36jhnjjf7p/wukosate.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/kojol.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/zetudedenipovovewerolo.pdfIn PDF document text
- http://palenice.net/obrazky_clanky/file/pabuwotexekojuwog.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/tr2btskfume1m1hnf4t23613e1/fuzesiwijoxumitejalu.pdfIn PDF document text
- https://ascinfratech.com/clientprojects/trading/file/jegadelifamoja.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/9ve5d6d7flse71qvs0lh9kj000/79061942278.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/883r9u45hdh2617rq423j59259/7813721153.pdfIn PDF document text
- http://alexhofford.com/temp/files/file/73608688563.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60a7c152d5---butukefuwevafevitupaj.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c87dfac629c---46338063449.pdfIn PDF document text
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/cbb9a66c29044f05a7210b5e6634c8c0/tixadenonupo.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/8a50qrqd8qkeeg375bbo0luf27/xubal.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/xisubuwetudo.pdfIn PDF document text
- http://turnyras.lt/Files/file/xapapa.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160f4379b56281---vunilotimejizedozakuzu.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1a517490c---mefifukemorovazufagi.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/somexixobovezufulejitariw.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b0098e4d0cb---32464565253.pdfIn PDF document text
- http://biurod9.pl/public/userfiles/file/sezegabifi.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160d560d160c85---9020092810.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=bank+holidays+2020+in+englandPDF link annotation
- 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_off0000e360.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE360 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB77 | 10828 bytes |
SHA-256: d1d7aa36f00a044398c262b26700476bdab36598277eee76996a444e86ec0559 |
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font_02_sfnt_off0001143a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1143A | 16708 bytes |
SHA-256: ee6f3bf88d7edd81fec9d9657a1c3c61b5afe1cdd62cbe7b715c75be52bd17e2 |
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