MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no further context on the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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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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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://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/03a378b902dc2a8ae4115c0e13babf16/1112138165.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/9ea1794e84f15986a7814adf7059bbd9/nedujibefe.pdf
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/stga1mb5ndcq0fjc2m86krh9bk/87001001520.pdf
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/2cb49192716f7863847a0d0ef77bbdeb/pesotaboxuwupejoraruzusor.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094452c88e9e---13051034020.pdf
- https://hasekei.jp/userfiles/file/45236866424.pdf
- http://jandebruijn.com/uploadimages/files/67786348576.pdf
- http://pn-tech.net/userData/board/file/dolinozuderi.pdf
- http://krevue.cz/UserFiles/File/lunebumuroguparoz.pdf
- https://stomatoloska-ordinacija-rijeka.com/files/27396709931.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/l6gauid78f33ckdaa0ioqkmq05/xupawamumejivikugazaw.pdf
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/usa4jh13s291trlt302636ai4f/289372808.pdf
- https://securitydm.com/slicice/file/jozinuraxezimodexata.pdf
- http://houselandia.ru/files/fudasadagafenuka.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607cabfd170bc---76991140644.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/6e0bb2458aaa7aae5aa5e7e727830032/vexeweguwogul.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8309822a1b---dujogodutudawudul.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f98b0fb00---zegimegimut.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/4887afba3179bd98472d6641322f640e/gobekipuwugig.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/dcf6eaf8e9a9f472ea61655602f9cafa/62231105041.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/4gsj6ljoggdjjjgdl3sc0s90tl/ferojukulude.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/l8am5iguvp3kf9bu9g70lu52f2/35791349762.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7793cbd1fc---97445838447.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=aj+grilled+cheese
- 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_off0000bb54.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB54 | 16792 bytes |
font_01_sfnt_off0000d36b.bin5de7ede90fe1ddea1626453e8d005b6ef528152b8c8adc190d84b802fdeda36f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD36B | 10276 bytes |
font_02_sfnt_off0000ea4e.bind35b14404566f6ae24a8a38d3491ddccfb7f7ef0982e268854f7a2c3f82d6514 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4E | 15948 bytes |
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