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. It contains numerous external URIs and is identified as a link farm, likely intended to redirect users to phishing sites or download further malware. The presence of multiple compromised CMS upload links further supports its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://laborke.ru/uplcv?utm_term=bells+are+ringing+choirs+are+singing
- http://domeinbeverdonk.be/assets/files/file/54539779394.pdf
- https://beauti-full.ru/uploads/files/37427788053.pdf
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/mkbco2ff6f7tmd2qnuu56jh6a1/29990468023.pdf
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706b4b013f6---73746598106.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a459ab2c2---sewenakudeluguvozakaxov.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/dfda50e664ca001ea6bf2bb9846bc915/95817895136.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/99hdhongjbqja6k8n994r5n6g8/rogisorovub.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/4d8fc490ee3188bd7c17ea9ec57e2345/44690122547.pdf
- http://bestbuyfromindia.com/userfiles/file/savuloxevajubobidemutum.pdf
- https://medicentrumnz.eu/medicentrum/files/file/lorugejezivepezujumipo.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607479c6374d6---65521132121.pdf
- https://autoteam.in/ckfinder/userfiles/files/65002658947.pdf
- http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/rusogowa.pdf
- http://mp-journal.com/media/file/dilarepaduximozakuwufu.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/m3h4gn0332n5mf9kfk6hgpk89g/70904942053.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/cd198419639f3ad287360077137e4572/43148840349.pdf
- http://arcomproltd.com/userfiles/file/24017403266.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094459c037ed---midetipanabi.pdf
- http://status-go.net/gfx/userfiles/files/kamokaganedoxigig.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075aa8f17ee7---57615022087.pdf
- https://cgeminfos.ma/upload/file/jeser.pdf
- http://abacusnancy.com/userfiles/file/79646944573.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_off0000d581.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD581 | 16792 bytes |
font_01_sfnt_off0000ed98.bin5f41218ec6b67c4427b6a1fc737ad0ad563a94cb851aba0bbe1f827ed78cb170 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED98 | 10464 bytes |
font_02_sfnt_off00010542.bin327aea0a6f63d224b1ece9ce5b329efecdc1c052196b8baa6ba844aaea2e5567 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10542 | 19624 bytes |
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