MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as a Pdf.Phishing.Trojan and flagged by an ML classifier as malicious. It contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/vanovepuwe.pdf
- https://sportsht.com/userfiles/file/tozigifu.pdf
- https://saatyapi.com/upload/ckfinder/files/54103843492.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/161408ff91fd7f---malusakimijizixu.pdf
- http://yuli-china.ru/d/files/nijala.pdf
- http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/1866587655.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/afdcd4be6a19bdb0943c423135c184b7/45685952338.pdf
- http://kristiankutschera.de/userfiles/file/mewikotumixi.pdf
- https://lawina-radom.pl/files/file/xedasamusijajuzomujaxof.pdf
- http://www.agenbenangbandung.net/file/buzukuj.pdf
- http://rc-mst.com/mst/_upload/files/31015507270.pdf
- http://www.advokat.com/app/webroot/img/fck/file/nafik.pdf
- http://canadapremiumlubes.com/survey/userfiles/files/73100896561.pdf
- http://pokeocncafe.com/uploads/files/tabeporuluvepuwazude.pdf
- http://babijie.com/upload_fck/file/2021-9-14/20210914054259486031.pdf
- http://urgentcarepb.net/userfiles/file/43050894097.pdf
- https://pearproperties.in/userfiles/file/1994154408.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140871c52f43---bokegisamunugereputez.pdf
- http://slovoveri.org/userfiles/609238291.pdf
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/dunumivi.pdf
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/tamukuf.pdf
- http://festacreativita.org/userfiles/file/58915790072.pdf
- https://aspit.ro/imagini_ws/27906719353.pdf
- http://theaterbuehne-schwandorf.de/userfiles/file/54119383098.pdf
- http://sooclose.eu/upload/File/letisujimufixosor.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/ai86ufsjceid9p9ishh1lnhcsc/gixozaletipedorisumemopib.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=mirror+phone+pc
- 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_off0000dc8e.bin72660a26d07959ba1ac77da02f460aabfcc3e1362e7ab3171c838949dce4ad4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC8E | 9988 bytes |
font_01_sfnt_off0000f28d.binfec8cda484bd749a2730bc653ee433bafa3cbb2b775bd1a75194c95e75c0c13b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF28D | 17768 bytes |
font_02_sfnt_off0001205e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205E | 16792 bytes |
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