MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were extracted, the structure and URL patterns are consistent with a phishing lure designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9910
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.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/57204faa19e0d5ac076e1f77709a1c50/romifuva.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849c3908453---7267479543.pdf
- https://drddvichitra.com/userfiles/file/53922065529.pdf
- http://chrislahoda.ca/userfiles/file/28505333823.pdf
- http://ipsgroupjjn.org/userfiles/file/13513301583.pdf
- https://whitesal.com/data/images/file/6886_20210706073633.pdf
- http://doggystylzgrooming.com/admin/photos/file/dumowokizuriw.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/1b53658c2839000d32b4b27331fea198/relonuj.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083006931aca---kejinobuvorenasew.pdf
- https://legend-chang.com/UserFiles/files/zipomagogufajakel.pdf
- http://hjtech.org/admin/upfile/file/56851049150.pdf
- http://aarogyamedico.com/userfiles/file/59376546034.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/c4lpp1vh3abvqucgnsc8rc32l7/7172423531.pdf
- http://eugensa.lt/app/webroot/uploads/userfiles/files/tumazivinodugijuvuk.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/6a08994f707897909a81819b8ae79258/61903950730.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/43e174f91dfd7d554bdcef3138150300/tirumisubezo.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0be9f67c57---84615525137.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ede1ab0f3f---84437908515.pdf
- http://homestationrealty.com/userfiles/files/degijolakogera.pdf
- https://btegypt.com/file/42665788334.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/6c4046f159e323f8c5e3a4d7648c1375/20435746267.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607479160a8f7---bogawomafadikam.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f96e53d8df---todubixiku.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/rneqovr1dc8lmug9c0jmhkv8p7/96358549060.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=lay+emphasis+on
- 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_off000103ba.bin411dbca4db44260c7ce63b3e8688d7739452246ecaf843a19bb3df7ddb9bd513 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BA | 18748 bytes |
font_01_sfnt_off000134fa.bin75c3cffea3a84297181ab635666741409f09830b2ae4dfcbd693f72b9cad9dad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134FA | 10344 bytes |
font_02_sfnt_off00014c27.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C27 | 16792 bytes |
font_03_sfnt_off00016438.binfad5dacf09cd1b43314537240f9f06457f0671f261c0d1ec505bc4c7454e8b9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16438 | 16240 bytes |
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