MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document is classified as malicious by ML models and ClamAV, and exhibits characteristics of a social engineering lure. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document likely prompts the user to install a browser extension or update to view content, a common tactic for credential theft or malware installation. While no scripts were directly extracted, the presence of numerous external URLs, many hosted on compromised WordPress sites, suggests a multi-stage attack involving redirection to malicious sites or download servers. The document's structure and embedded links point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://huntic.ru/uplcv?utm_term=cute+emoji+copy+and+paste+faces
- http://allamericannursing.com/userfiles/file/15107262025.pdf
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27348315366.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c209bfb54ce---regip.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610af2fc975ef---gumekafanakofavetugevux.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/vv8de442d3oc402t87qjsh1uuc/51354498001.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbd412ddc4---rusiwuvusizipe.pdf
- https://stehovani-ostrava.cz/static_pages_files/file/24622064978.pdf
- https://motelandratecuci.ro/userfiles/file/wufenasiladikagujetube.pdf
- http://njuhome.pl/ckfinder/userfiles/files/33644249057.pdf
- http://d4sontario.ca/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/41283377794.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082cc557792e---naxoluzepuna.pdf
- http://www.examnotice.in/uploads/files/22965498470.pdf
- http://paillasse.hu/userfiles/file/73271873473.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ab91ea58c---zixufumu.pdf
- http://edwindijk.nl/home/edijk/domains/edwindijk.nl/public_html/uploads/file/wizokakimikumusi.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/129e45bf145c063f86c8f1a68887b2ba/50795938959.pdf
- https://tese.in/ckfinder/userfiles/files/vivibelifusitiki.pdf
- https://ankaratemizlikcim.com/depo/sayfaresim/file/10228633563.pdf
- https://noddy.nu/images/file/baxavepazesefavi.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9fcac5ba8---43385550572.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16108cbf64874d---vilevufirawipije.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/fj8967ikm00u0tgn816voiplk1/27900055471.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd2109199f---51072966646.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b9ce4e0c---7766530156.pdf
- http://fruitofthespiritcatering.com/clients/9/9e/9e5e3efd27976f294ade36eaf76108d7/File/jujisizutugobilapa.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_off0000e20f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20F | 16792 bytes |
font_01_sfnt_off0000fa21.bin9708e69ca6f66facd17a10a45fa6a759b139788170e3df6d66a840c536be1b6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA21 | 17440 bytes |
font_02_sfnt_off000126fa.binaaa2f11b4c35ffda36a0aca9ce5f1d585b3f870e59906203d5154281fe408e10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126FA | 11012 bytes |
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