MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified the PDF as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF format often utilizes embedded JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/197b735265e9f0545aa7ff0d3fc45c2e/57336466966.pdf
- http://a-daily.jp/app/webroot/contents_img/files/jigiguda.pdf
- https://rosycaffe.com/file/nukumeteposorabuzofo.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/226e5d8d2dea68ff17654820743b46c0/noxibunosedozalazi.pdf
- https://baxsporthorses.nl/userfiles/file/60254757065.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f275ddcdb---taxetuzixenin.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160705d53a2e0e---bojubinoxif.pdf
- http://fullx.net/files/80511983110.pdf
- https://dodomacnosti.net/data/file/89652641799.pdf
- http://emirates-offshore.com/uploads/image/file/bofabilegarivevorovogubod.pdf
- http://ruegen-ferienhaus-schneider.de/userfiles/file/pobefusutox.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0213300b2---kimekodipavovufumulixagub.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/bq25803e8jihocrel0foup9j3a/gewejolabevapeb.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/eprlr1l2se3vic5kfg62drgst5/71918377388.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089caebe29a5---sewavi.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/16081c3743d481---28059850475.pdf
- http://goldenpeak.it/userfiles/files/19402033214.pdf
- http://popnmusic.fr/userfiles/file/gimej.pdf
- https://mmszke.hu/files/file/34072157718.pdf
- https://memoservicesrl.it/file/lijuz.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/atheaokk9gep6dv9ss6eo3deup/pexuboludivaxivajafuxev.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/cinl4bc522p6jg6sjdsasd0cc4/36186564027.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=i+am+on+leave
- 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_off0001004e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1004E | 16792 bytes |
font_01_sfnt_off00011860.bin0f8656cd144a21066052cb31bd3573ce89b6179d15b4d4bde11fb4d719e928b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11860 | 18020 bytes |
font_02_sfnt_off00014838.bin6ba488ab870693d9b78af40d89d8f7634e85cce2d1984be4449b62a0d2adef7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14838 | 9828 bytes |
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