MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous links pointing to external websites hosted on compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and link farm indicate an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9590789a4---51945560630.pdf In PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/3ll7a8f6ti566f58gti6i2n7s7/tetuguwog.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e32ae18f0a---sirimem.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ee8d936a6---24512704613.pdfIn PDF document text
- http://szalkasszorutacskok.hu/app/webroot/files/content/files/fepag.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7968ca442---56143620265.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080431a29c25---fubuxewesifukiwosel.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd3fb5bba5---nisinego.pdfIn PDF document text
- http://avandcie-automation.com/ckfinder/userfiles/files/89646702126.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/a2f916499348c474a18f3c5faa718bd5/15954097797.pdfIn PDF document text
- https://estoniapools.com/contents//files/96654263236.pdfIn PDF document text
- http://phrabat.net/UserFiles/File/34127772005.pdfIn PDF document text
- http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/laginat.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/da70a7e156c8ae44908a7bc79cede60f/84320611603.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fa605c194---42384152177.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e485a68983---tiwimiba.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/jaradovurenenokugupeb.pdfIn PDF document text
- http://dichvugiayphep.biz/upload/ck/files/vupepokisufasud.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/9712b6b87373758a30490e07f60e4612/4272660264.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/kpds8s2mv3nram34aidb8gojf0/60618605074.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608303f48eb95---35032877435.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160d6376829e80---vapuwokena.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/07842dde7333a043ac525c0fc7404931/tibozasekunadirozetorosen.pdfIn PDF document text
- http://jun-travel.com/userfiles/file/65469063991.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/4b52724f0b22d98bddac7e97d6775726/91441416523.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3fd91c7ce---35877247115.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=i+wish+you+the+best+life+has+to+offerPDF 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_off0000eae6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F8 | 16628 bytes |
SHA-256: 440cca794dcd1737b786de8aa78dc5224c6ecb4c7fb88f9739e0b16cb2b927f1 |
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font_02_sfnt_off00012db7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DB7 | 10596 bytes |
SHA-256: 7dfd223f1c28ad096a4f2b8921a31ae97dbb0410cae22804b64e76a5a380485e |
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