MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as malicious, including an ML classifier and ClamAV, and exhibits characteristics of an advance-fee scam. It contains numerous links to external PDFs hosted on various domains, suggesting a link farm designed to distribute malicious content or phish users. The presence of compromised CMS upload links further indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
Heuristics 7
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://palcev.ru/userfiles/file/41978543660.pdf
- http://originalcheck.it/public/img_admin/file///20129755942.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c52ec7a46c6---fuwawozelududewob.pdf
- https://4of100churchstreet.com/assets/media/files/fakebujakejejezukobavoxad.pdf
- http://fedime.org/imagenes/wolevalivetazakiraz.pdf
- https://etimes.mn/uploads/files/93866826929.pdf
- https://jagamimpi.org/contents/files/42858691971.pdf
- http://revucue.com/ckfinder/userfiles/files/nukowilegeravejewunata.pdf
- http://harasim.cz/uploaded/files/30996530765.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608258beeae38---ronixagojuzadubosedapopol.pdf
- http://bigxra.com/uploadfile/file/2021061002053373499.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607defd17094e---11954222654.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbd87c3138d---nuzagilobamowi.pdf
- http://reikihaus.com/clients/75291/File/61896400595.pdf
- http://sirmamedia.com/ckfinder/userfiles/files/51518024628.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/o0p7palns84acrj73vneakoscl/84929020757.pdf
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/zixoma.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/413098993cdb2e8f73505d877f349d1b/mebog.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/8goqat9no46em4m6vnmqidtbm1/62435696717.pdf
- https://momsgardenfoods.com/ckfinder/userfiles/files/69551381428.pdf
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/915cfaf89cdb1e3b7d4d47b718cdcb21/83663413787.pdf
- http://go-pxl.com/uploads/files/ralalibobitegafimad.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=stephen+wolfram+mathematica+book+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_off0000eeed.binefdc04a170eb1e55e04f101db06349a2fac982e5d6600d48457e9799dae1800b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEED | 19660 bytes |
font_01_sfnt_off00012199.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12199 | 16792 bytes |
font_02_sfnt_off000139b0.bin848f5d762686a6d1fdb2372339e4e485a679070360f93177f9dc730f7526b9dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139B0 | 11112 bytes |
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