MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm with numerous URLs pointing to other PDF files hosted on compromised WordPress sites. This suggests a phishing or malware distribution campaign, where the initial PDF acts as a lure to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/52bb7fddfc69775b1791319ae87af7b4/58646955603.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e85e2e7e7---53375759519.pdf
- http://chnli.tw/CKEdit/upload/files/toraxedalivurekam.pdf
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/3029025ef291c1f141b9a999bced4ac6/87349001206.pdf
- http://petraifevronii.ru/ckfinder/userfiles/files/85215568898.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/9hpcchq3ko45jnm8qll8dmp9it/48834326478.pdf
- http://sparkpro.lv/content/file/6815990253.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c1686fbd964---59690049548.pdf
- http://hillcresthigh1971.com/clients/9/9f/9fbf9047a6869172a982db6f42f05a9a/File/jogomolapupuvomi.pdf
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/2588284f57c0823f41025b09f38954ac/wotozupikewodebutife.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cc9fcacf7---rekavalogorotexozoj.pdf
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/3860700774e3d81bfdfd5df088128234/7066099982.pdf
- https://agrolliance.ca/ckfinder/userfiles/files/nedinurivakezaroji.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/d0l4bkm9c6fr2k32s6e6kom1r6/3997999754.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b6c37d4fc---53525951901.pdf
- http://fresh-j.info/images/uploadedimages/file/wofinawifijewajijugiv.pdf
- https://festival.bg/fckeditorfiles/file/kekikixasezozexukepaxak.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607529685cbce---dojimigubutadilaniwa.pdf
- http://studioagronomoserragiotto.eu/userfiles/files/vazokipopumafesoxirewe.pdf
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/50ec4b2b79034d8c536ac2b03adb2cdd/75641682540.pdf
- http://travellightnepal.com/userfiles/file/mevatabasavoxekiwupa.pdf
- http://splogservice.ru/content/file/85331385757.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/afb8381bcab3e34ea6d4d11bd365d781/86004198720.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=poesia+coral+pdf
- 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_off0000ca27.bin019514852c537c8eb7bbc3b39138e045805a24420e1c79bff524bba5bbf0c675 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA27 | 10412 bytes |
font_01_sfnt_off0000e1d4.bin57065a192e893b84b0be7075541b79c57eae7bbf5255c49a1352c235b9d8745b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D4 | 19480 bytes |
font_02_sfnt_off000112af.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112AF | 16792 bytes |
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