MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate it functions as a link farm, with one URL specifically targeting a WordPress upload directory. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://nomylo.ru/uplcv?utm_term=mini+military+unlimited+health
- http://underbutter.cz/download/foto/54296650118.pdf
- http://pharmorgsyn.com/upload/files/26092470977.pdf
- https://licorne-hotel-restaurant.com/userfiles/file/paveririfilezikelabaxanet.pdf
- http://slkuang.com/v15/Upload/file/20219161927321083.pdf
- https://m3nan973ru5-pa571.com/contents/files/serituzizufoboji.pdf
- https://rugsinc.in/UserFiles/files/6750026551.pdf
- https://ever-progress.com/upload/files/65606183120.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613057e02db3f---64995207454.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614453bde30fa---bodokopixatatez.pdf
- https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/bepivixoluf.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/t9qjjm8krjjuk68o5ijfdjhmhqj9p005/83440086558.pdf
- https://hunglivet.com/uploads/files/202109052302006802.pdf
- http://namkhoabacninh.com/images/files/27038842916.pdf
- http://avesta-hmora.boj.se/uploads/userfiles/files/fazafejeguboj.pdf
- http://dailymaydemtien.com/userfiles/files/44651899103.pdf
- http://behtarinekhodetbash.com/files/files/gafifarumofanedemurekeke.pdf
- https://vegas-shop.net/uploads/files/xitowuxiwasikulelezisi.pdf
- http://relaxzenter.com/uploads/files/70582113201.pdf
- http://autosklo.sk/pictures/file/85692924611.pdf
- http://psn-monolit.ru/img_file/files/wiverutanizino.pdf
- http://duszek-lasu.pl/userfiles/file/25155066133.pdf
- http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95180385413.pdf
- https://k31szmq42-nu28.com/contents/files/9009603658.pdf
- http://studioaba.net/userfiles/files/89961867758.pdf
- http://balbu.eu/uploads/news/file/dovoxu.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_off0000b48e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB48E | 16792 bytes |
font_01_sfnt_off0000cca5.bin3e87235e352e6c6ee84b15bebd7213fc951288e696852c3bd002a7176e0355f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCA5 | 10432 bytes |
font_02_sfnt_off0000e403.bin4f16d88ea67677a6b672d46feda5fa413f449cc6ffd7537cd48a9d65230fb1b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE403 | 16652 bytes |
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