MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting an attempt to distribute malicious content. The heuristic 'SE_INVOICE_LURE' indicates the document's content is designed to trick users into downloading or interacting with the embedded links, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9877
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7545097b12---74410105158.pdf
- http://alexanderjamesbackcatalogue.com/userfiles/file/gemetosotifamij.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae478cadbe1---sekefajewe.pdf
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/24cc69c19f4476a05fbe1eca7c0ac986/91285649819.pdf
- https://sunarchegypt.com/userfiles/file/21795839989.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bc22bda1002---92904330542.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/83a3ab6abf2e52ace30692f6d2ff9f78/20174116418.pdf
- http://anhuizpyy.com/upload_fck/file/2021-5-3/20210503095438840675.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5cca42fca2---92719256433.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/29c0a1762acfc0409580534ed14843b1/wurujefo.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/fk9pgtgoljektairmrkt47dlg4/julig.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6eb9e7a46---87877181834.pdf
- https://carlojans.com/cms/file/silikuxorolonofefanoso.pdf
- https://whiteplacard.com/UserFiles/file/58664481645.pdf
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/664cd9fc191f17035e73d2cd5773cbdb/31769768304.pdf
- http://csc0851.com/userfiles/file/20210626200514_jnre4h.pdf
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/c9e4771770398ac2eb5aeb208355c8d1/8637065144.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/a52c75d6d3aac187b588e95ae465d661/73554553795.pdf
- https://akita-inu.lv/www/files/files/82496462323.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/11d30b8472a3cbacc03021c5f4c6f7a6/6206139246.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/0b4238ef43a611976c6ed76d8364d70a/pogitasoxezerunotelotew.pdf
- http://transportdiverse.com/uploads/files/kigej.pdf
- https://unserbiokorb.ch/userfiles/file/vumajimukagas.pdf
- http://tomnhenryanderson.com/clients/8/8a/8a1068334c160bb49438aafe8043afff/File/16016121686.pdf
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c5fb92fb6---makatavawaditeke.pdf
- http://pospatrans.cz/UserFiles/File/nazesezixof.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/ee1i0hs6g3j167dl1qvchtgj72/5808385561.pdf
- http://brenno-tojestto.pl/userfiles/file/zaximazekoduzilipej.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=medical+statistics+mcqs+with+answers+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_off00015b77.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B77 | 16792 bytes |
font_01_sfnt_off0001738e.bin596d0a03e5e74f655471d79f053109356ee3bf85b3e74a140af1693484a00a61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1738E | 10988 bytes |
font_02_sfnt_off00018ca7.bin3023fd1a6eac32753e0f3e824fd7cd637067f35801abd7ba0d73c52e35f6819a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18CA7 | 17856 bytes |
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