MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV specifically identifying it as a phishing trojan. The document contains a large number of embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary attack pattern involves luring users through these links, potentially for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://daindnc.com/fckeditor/userfiles/file/58912662314.pdf
- http://alphasigmaoverseas.com/userfiles/file/59284961371.pdf
- https://hpsoft.shop/upload/files/wojotutonuvusuwusejat.pdf
- http://berallebags.com/UploadFiles/FCKeditor/20210520192825.pdf
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/f67e6399544069676413aff44b8fa78d/sofaroderatudozipipa.pdf
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/42357747529.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716d28d2481---78799631940.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16085f71e5232e---nikopiwomitigajiji.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/9fd20f785145e523c26714be14ea2014/85714517147.pdf
- http://sillajen.com/fckeditor/_upload/file/69941652424.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d55014bcb---64606644961.pdf
- http://secohthailand.com/file_media/file_image/file/44500171907.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/a0a53c6d48d3e375c0c7bc677252523a/peboter.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f561018cd---83041923954.pdf
- http://gingerbreadvillage.org/clients/e/e3/e396b250b60561adcb946853f9f62e29/File/lamemosulesujetevi.pdf
- https://shriayurvednagpur.org/public/ckfinder/userfiles/files/dasoli.pdf
- http://dietaltop.com/userfiles/files/kapajer.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160afb36ca4482---tutav.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b500268cc1---19720109320.pdf
- http://sibinetweek.ru/userfiles/file/vofalaxaliludusubim.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097faf510a0e---2251937928.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/6ae3697beff24518224f09700e078b78/23975336141.pdf
- http://voszveszprem.hu/_user/file/raniti.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/68c8569c524f108c2ff83ba5ed11cbe9/19478760289.pdf
- http://clarksville.net/wysiwygfiles/file/62947164609.pdf
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16c6c17465---xujazozijawamuno.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=indigestion+worse+at+night
- 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_off0000f8b2.binbdaf1c82a7d3f72ca9f05a02b76cd787f8250908dd4699ade32820432bde3359 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B2 | 10516 bytes |
font_01_sfnt_off00011071.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11071 | 16792 bytes |
font_02_sfnt_off00012883.bin99502472fecd564cecd266e320a5636857e518c6fc98bbdf56e9197ff335c6b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12883 | 18116 bytes |
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