MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links pointing to various domains, many of which appear to be compromised or disposable hosting. The primary function seems to be acting as a link farm to redirect users to potentially malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://boldino-hotel.com/ckfinder/userfiles/files/zoveli.pdf In PDF document text
- https://8cj2aja7-8mxb.com/contents/files/61409485377.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614666c4dbe54---tijisi.pdfIn PDF document text
- http://0225674989.kad.tw/kads/ckfinder/userfiles/files/87681303597.pdfIn PDF document text
- http://cdn.eagle.mn/uploads/userfiles/files/2738920807.pdfIn PDF document text
- http://xn--80aamwn.xn--p1ai/userfiles/file/66763474998.pdfIn PDF document text
- http://ageofwonders.buka.ru/sadm_files/33966688030.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/babce0eef53241be260c56e1860ac24b/26718693531.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/6a708a3ac9797c7c0efa83054db24bd2/sogevuvuvuzajiwizurazu.pdfIn PDF document text
- https://istanajp.net/contents/files/moxofiwupizarotaboge.pdfIn PDF document text
- http://eca.or.th/ckfinder/userfiles/files/1421348098.pdfIn PDF document text
- https://kccegis.com/upfiles/content/file/20210921072058.pdfIn PDF document text
- http://nhagiatxanh.com/public/default/ckeditor/files/75077077698.pdfIn PDF document text
- http://mazraeir.com/images/upload/files/28440808798.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/kugedovefigedarakir.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/vidofebajipurudujobubi.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/3341f7cc7db0546f9bfcf4da9b61c45a/58585182584.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/86892435331.pdfIn PDF document text
- http://smolensk-bakaleya.ru/userfiles/file/palipuka.pdfIn PDF document text
- https://cingenito.ca/upload/editor/file/43459885630.pdfIn PDF document text
- http://leruichem.com/upload/files/21376143822.pdfIn PDF document text
- http://savytrading.com/userfiles/file/80083020361.pdfIn PDF document text
- http://gryfarmerskie.pl/pliki_wyswig/files/70184491253.pdfIn PDF document text
- http://castel.lu/userfiles/files/bozinatawadagosamag.pdfIn PDF document text
- http://superfasttv.com/uploads/files/butuxufesinobom.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=index+of+series+macgyver+s4PDF 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_off0000cd0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e51c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE51C | 17200 bytes |
SHA-256: 93d7402c7ca5d386e88c40a714d73b725b3a8242e8dd4966c0df596ac78decd2 |
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font_02_sfnt_off00011149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11149 | 10984 bytes |
SHA-256: f36e82d820bf0f62218e27ca2072c6fde1ee094d01ce057f8c63f99ae96eccac |
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