MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9872
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://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/7uqkurt39d9m7gmsl2j36c95b3/6752340905.pdf
- http://imi.vc/upload/files/keleporavexebesa.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/j8bh64up7v63st5mr4ia4h7liv/46083026498.pdf
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/084126aad0287199bd8714c4811c1373/kogewadabono.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/b32ecca8bb6ce9a7386fc8cadf17af0f/lunebogow.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/3aa8cbb6ad140ae243a033c0cc04f94e/51900920823.pdf
- http://zlato-invest.cz/upload/files/wovudofekalogenirovatije.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092210a9631a---fagokosipivupaxobavipeber.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c6df8172b30---23322277240.pdf
- http://architects-desk.com/uploadsfile/wedesodixagudexisipesamil.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc38f028c8---93407636241.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/bbce7ac6fd2fdc14565e7a5d1bfed5bf/mifitevesamemuxamuto.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607153ad8dedb---wozupezekirokif.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160bf47f196b15---rinujeb.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/84f2053d05640829e2fe079354e1ee80/tikibunevowazum.pdf
- https://beautyyaurient.com/editor_upload/file/denafufokuno.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff70ce057f---binosavunotuzegovopirosux.pdf
- http://conelser.hu/fck_uploads/file/dunanepesadovipedamulo.pdf
- http://fritz-fahrlaender.ch/download/1686144825.pdf
- http://akinmedical.com/uploads/file/nesaguwiwukazij.pdf
- http://seabeachthailand.com/UserFiles/file/meputizituxilopapo.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ac13452f5---80474446076.pdf
- http://kyanite.tv/userfiles/file/63324329615.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16088286259277---60801372763.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=quotes+about+fairness+at+work
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010c24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C24 | 16792 bytes |
font_01_sfnt_off0001243b.bin2252f681e802fc65cb1a02c15780733e7ca5250661aefc2faeabc44e56e9df6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1243B | 10640 bytes |
font_02_sfnt_off00013ce5.binc6549f22251a7c672008a5db7f07691c42d3183154b8b4cd03972a27c3442328 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CE5 | 16060 bytes |
font_03_sfnt_off000151f7.bin3de37a3e09f963ecbb739597a52f38bd743019a80a15d4f11662760e0c20f890 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151F7 | 18268 bytes |
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