MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan payload. It contains numerous links to compromised websites and a deceptive download button lure, suggesting an attempt to trick users into downloading further malware. The embedded URLs and compromised CMS upload links point to a distribution mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://smidgel.ru/uplcv?utm_term=coc+gems+generator+without+any+verification
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/48mu0nhmah6ab68opiju8etckj/tilatovosep.pdf
- http://azizolace.cz/images/file/96851298470.pdf
- http://beijingbeat.com/contents//files/vuxitivagedosikifamaf.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da9bc2173f---foxeva.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986c7a4a01a---vawalejapotirufonej.pdf
- http://mobilesamara.com/img/files/file/56371659635.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/b3jb13gvl825npa0alcoug0f45/sufanizusexi.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/cc6224b7005db4b6a005ad3e5d073f63/sewawimiboja.pdf
- http://mlsconsulting.net/cms/files/File/84671597690.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/301mqrijofc4dtv0ukep617bah/bibixijodaw.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5fd2cdfe3b---xutipunewadudufazisebubi.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/6288ce20f785259337bac0872a90d8c7/balamijotaz.pdf
- http://harissarantis.com/userfiles/files/dipanigokima.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aae4e1965c4---puvavukimen.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849b70db83f---fuwosejimumafopum.pdf
- https://fablab808.com/nbloom/fckuploads/file/20213582926.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607391f7d3685---kumokupijumapaxoxerofojed.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/lvtkcvlt30i74fr30ujtita34o/97094513223.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_off0000cbfe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBFE | 16792 bytes |
font_01_sfnt_off0000e410.bina7f7e6740823cf9d5d46612d718446051383fce773f5417a42780bce1080985c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE410 | 16020 bytes |
font_02_sfnt_off00010d6f.bin0a460c9770c822c22d6a1adb47c317e73219b770c25939b34038adbac267f393 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D6F | 11136 bytes |
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