MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan. It contains numerous links, many pointing to compromised WordPress uploads, suggesting a link farm designed to redirect users to malicious content. The document's metadata indicates it was generated by wkhtmltopdf, and the presence of embedded URLs and link farm heuristics points towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/0cc57eae9396c64014a719dbb0d940ed/siwumebererifafoxa.pdf In PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/ac97f6522a548f12ed488241d6f57acb/lisifafupajupadivaw.pdfIn PDF document text
- http://highlandhighclassof1962.com/clients/c/c3/c330a44b04b080977bf299ea430a317d/File/luteviboxelijeto.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/7bvsebh3iarlko7nj1dg32uiah/vozatupimosumeposifuxin.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/fiposesuvadukebuzadax.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/unhuc94ucv750h9kdp7ifadub4/jalixepejarabezenejaniju.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/37881426403.pdfIn PDF document text
- http://hasici-pristroje-eshop.cz/files/file/54270680656.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/0f5a4f2675ba5a3b8185d8219db05db1/33565240526.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/16a6dee1e2216e9b1ed8ad1703f39dbc/780427802.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/alv62kh58b0ju7l1i7jl5q8ccd/vorus.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/zudomubujoludozukuwero.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/0631b6e1eff34d3a74a276b70ffd4158/44105782181.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/zejidizen.pdfIn PDF document text
- https://loctra.net/userfiles/file/rowokisijuwogalup.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1af34e6637---70362957970.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/lebonibuxape.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6e0a9dfe5---petesedelozosixomusukoki.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/xixamebor.pdfIn PDF document text
- http://creative-format.com/upload/editor/files/xaxutekotan.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cee972bc37---87068917588.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fe08a4df4---bawoxuwirurarixesapebiru.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7334b3e90a---59500043165.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/63351709202.pdfIn PDF document text
- https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/261756404d6cba6a6ff8738cac4a6cba/29019088337.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16079a539e16e6---mexizejuwunowiridu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=pianodisc+installation+manualPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10307 | 10400 bytes |
SHA-256: b14c0061a486d1c7836ed9b55c17d8ef863f36354e6ef644af5c4d97d22c8ea6 |
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font_01_sfnt_off00011a8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A8B | 18024 bytes |
SHA-256: 08e63c9c0806b56ea5c19590c48b8154e2872f6ceefc713c78828612cb240f56 |
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font_02_sfnt_off00014987.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14987 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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