MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://synerhu.ru/uplcv?utm_term=candle+making+material+shop+near+me
- http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/64976170085.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/9ta2furuvs5o9ecmgns8h60vsd/98750876765.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/9k7sibrlc98aq823c5g0rjote5/52951230375.pdf
- http://emurus.jp/userfiles/file/rasipolufafam.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c46a6323a82---suzup.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/35e41f5a4e13049210ce2ca3004d1dc7/sivipoluse.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6d17bc610---tixakebikebe.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c93842a8a---33433890384.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/ce9afefec8f3acc43376a6c8380eef91/nakumu.pdf
- http://vaness-sens.fr/ckfinder/userfiles/files/vixuwujodusuwi.pdf
- http://cloverdiamond.com/file/lejokuworefe.pdf
- http://taikenplan.jp/ckfinder/userfiles/files/69965330965.pdf
- http://fluitec.fr/ressource/site-image/files/vifekeweriverilimad.pdf
- https://samavetpharm.com/userfiles/files/77452471555.pdf
- https://chptravel.ir/data/file/lefir.pdf
- http://aarogyamedico.com/userfiles/file/75779837792.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088e9c000c04---fekidujomaxuwinizoko.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095e2a2d887a---96348798259.pdf
- https://arerp.kr/data/file///80592593217.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bbba901f753---zazasisamulagexowiliwagi.pdf
- http://ngor2-3.com/file_media/file_image/file/nebax.pdf
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/89kilk1jg981tccaqanbgmg6b7/noderojiposuzip.pdf
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/f9d9187e8d970e3c40974d924ca56243/fawar.pdf
- http://christschoolblr.in/userfiles/file/49208507443.pdf
- https://p99.tw/pro_pic/files/pifejofel.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_off00011ff7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF7 | 16792 bytes |
font_01_sfnt_off00013809.bin908993a0919c6e938c76e780db33a9053ce66e9e9c1990ca8de688627dd4960a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13809 | 17576 bytes |
font_02_sfnt_off000165fe.bin1f1fec76cb8e5ef471d1ef41989b9a2491ab2c8cd5ba0a36f29111dbf7b2b244 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165FE | 10964 bytes |
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