MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a distribution mechanism for further malicious content. The document body, though heavily obfuscated, contains metadata related to 'Dls19 profile data' and the wkhtmltopdf tool, likely serving as a lure to entice users to click on the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://coretry.ru/uplcv?utm_term=dls19+profile+data
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/h9roio4s0jolnugl5ulviaj9d7/78122654423.pdf
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160857573cb677---pegifejudok.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728dc09fdbd---pujikikazenewuz.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/ad9edc1bc1a72d6df1de9858ae30b1db/godatu.pdf
- http://ajtoablakcentrum.com/_user/file/nerofazidukasexoro.pdf
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/27535310789.pdf
- https://aawyx.com/sites/default/imageuser/file/53310572612.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a93c26a5059---duzasuboden.pdf
- http://eros-arena-reutlingen.de/eros/userfiles/file/30050032223.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077c19faeb2d---borog.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/153b4cb269a440dd140ac8cc102d7e85/toxinujituj.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/mdp1rudibqukr7pql642n7sgu1/96077013732.pdf
- http://pnktools-th.org/ckfinder/userfiles/files/27683645275.pdf
- http://austria-ex.com/images/blog//file/widipasakakosupuna.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/dc38eb7dd83481f32accbd359ba2a7e4/rewik.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160be4d3a4979b---3752585118.pdf
- http://adabaskimerkezi.com/upload/file/64271859598.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9431f305f---fukeputebazumotir.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
- 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_off0000e270.bina477fe4fe2b15280a59badb35077174180feac2d373cec185db7f3553bf8ca1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE270 | 5240 bytes |
font_01_sfnt_off0000f453.bin57ea17d5c0c579fbd0153ef6ba95f5f67e2ad60460264a58bd08c9f441584f9b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF453 | 11112 bytes |
font_02_sfnt_off00011a2a.bin007377d672ad35e960bd13d3f92b574e68300ebd174b34df27fa78aa6545cdcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2A | 16076 bytes |
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