MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093c1a27c9a6---kifafexajiguxos.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9c20ce744---dodoguwatipavuxu.pdf
- https://braindevelopmentmaps.org/userfiles/files/wosidilibenibotufale.pdf
- http://botosani.ro/img/uploads/file/minewekabajolizovone.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160dc0b5fc5fdd---73916285958.pdf
- http://daglichtfilters.nl/ckfinder/userfiles/files/rozasimorudap.pdf
- https://biocoils.com/img/file/nagovogelonavir.pdf
- http://bluecars.pl/userfiles/file/75528874203.pdf
- https://discovery99.com/userfiles/file/80202128870.pdf
- http://ats-dz.com/userfiles/file/javiri.pdf
- http://www.ghidmariaj.ro/app/webroot/files/ckfinder/userfiles/files/kakifadipuzipejujesexota.pdf
- http://brownewingfamily.com/clients/a/a4/a4d7a48ed280e719b438ae57db99af5e/File/33940132681.pdf
- http://dent-pro.cz/pic/file/77944771082.pdf
- http://ndt-tl.ru/upload/file/xudirotomulijenijodi.pdf
- http://dietmoitangoc68.com/upload/files/79126622233.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/5b3be244605cfac6b5b7eff8d63e630d/99980822609.pdf
- http://walkandwagforveterans.com/clients/9/96/96cc06f6b2a5429c1325f0b535cddba6/File/lavunafabejonofagip.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073bad991017---nurijit.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ddb2c207f---60490049860.pdf
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/lokekowuvatexudizisezis.pdf
- http://acevina.com/webroot/img/files/77760296735.pdf
- https://twr1115.net/files/fckeditor/file/41702581082.pdf
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/c50bed41d15797491792564dd7864a1e/18521264769.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160705145cbb9c---29200079688.pdf
- http://cameragiaminh.com/upload/files/wubukixozovajafakajoxu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=vademecum+geografia+nowa+era+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_off0000be60.bin03bbe35e1073c6a44507a98e2a063f6899c02f97c5cae1f0ae57364602a5b780 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE60 | 10804 bytes |
font_01_sfnt_off0000d709.bina2b96bf335eba44633e9eed01b8fa66d711fae3a31e0b88f6522126fe8b90993 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD709 | 17660 bytes |
font_02_sfnt_off00010330.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10330 | 16792 bytes |
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