MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The embedded URLs, such as http://schokobrunnen.com/idata/muwavolot.pdf, are likely intended to host further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://schokobrunnen.com/idata/muwavolot.pdf In PDF document text
- http://piau-po21inn.com/CKEdit/upload/files/53573001219.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160af97a33388f---35702662143.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c153c8ba0db---vojimudomutoniwo.pdfIn PDF document text
- http://relocationservicesgroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768d3657a25---zamufodezifiraxe.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/4e7bdbdc0d15d7165465a0aeecd4a299/16362480736.pdfIn PDF document text
- https://aspirans.com/files/file/jusonupiginenu.pdfIn PDF document text
- https://securityguardsupply.com/php/uploads/file/vimodatejoripum.pdfIn PDF document text
- http://www.smwiarus.pl/ckfinder/userfiles/files/64142103144.pdfIn PDF document text
- https://kede.org/userfiles/file/14087541852.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/20893018365.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/lipdl2nebco7svhkqtlff66rm6/73379603322.pdfIn PDF document text
- http://triatlonbizuterie.cz/sites/default/files/file/fuvedove.pdfIn PDF document text
- http://malbreil.com/userfiles/file/lirav.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093afa8c204d---34159049856.pdfIn PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/jimaruramenipodasatiwevog.pdfIn PDF document text
- http://oaklandscreche.ie/userfiles/files/vokonoredebukugenutugu.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/bfd9d81a3c1927688a20f2efc4a64ba4/83355925691.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/939a18dcfd0ecc2cf22056e275a84824/degadaxexekegelufulidabex.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/babudirinasepitotekutis.pdfIn PDF document text
- http://amdind.com/userfiles/file/95467915487.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/98953277511.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/dokofikiwikatu.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a397ce6e15---53908227342.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f7ff3fa42---34716943845.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=instagram+apk+indir+2020PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE989 | 10724 bytes |
SHA-256: 17a1f609225ecd37cd49a7e76715829a7c1a5c849ef6abade662e5564b96630b |
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font_01_sfnt_off000101f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A0A | 26216 bytes |
SHA-256: 85dcf1c68509a273785fed1a6832e31b25e9ad55c53e86287e9778d04e74c49f |
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