MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classification and ClamAV, indicating a phishing or malware distribution attempt. It contains a link farm pointing to multiple compromised WordPress sites, likely serving as a lure to redirect users to malicious content. The presence of numerous unknown URLs suggests a broad phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607aafd03f2c1---zasavivude.pdf
- https://uleshuzatabc.hu/files/file/74556108093.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071f21b1eeaf---wedoroxemufe.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de9018cde9---sokaliluviwanor.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16077af4f57e5f---lojozenekip.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1e0b97f3e---85236710496.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751985e9f45---58964755036.pdf
- http://ac-kenigsberg.ru/files/file/9804792616.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb626ad05a8---80321747813.pdf
- https://semagro-msw.ru/pics/images/file/29147271865.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/e1410c1c8f5c2a7aa5a2b7999bd79d42/27312075268.pdf
- https://immo-cjeanpaul.lu/userfiles/files/61740309357.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/616ec7e39243d947e93f1112e8d606ef/fiwuzezofupesijizeb.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/d2658ddb71074cbacdd733add5851641/12465976995.pdf
- http://brandnewgoods.net/userfiles/file/bagulavolewunizo.pdf
- http://permanentnimakeup-brno.cz/userfiles/files/sunojusijotatoluva.pdf
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a171c97038---zefokibujesulow.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/deaba3m60kbgbuonqh8s0a4lil/19458050357.pdf
- http://e-kva.ru/admin/ckfinder/userfiles/files/39868128675.pdf
- http://sakuragiramenandsushi.com/uploads/files/75294628990.pdf
- http://ibiforstarlight.org/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/92667266816.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607290105cea0---28327534137.pdf
- https://zweefvlieg.net/userfiles/file/nasebazedabosaxuvunute.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=1+cup+liter+conversion
- 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_off00010396.binc7773a31fb186d3f271fe9437895ad085f0f9ba5a574ea570d80f7ff675ddc5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10396 | 17372 bytes |
font_01_sfnt_off000130f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F6 | 16792 bytes |
font_02_sfnt_off0001490d.bin2e7eaa26c754ea9ef9d3bbc2b248d0293edcfe6dc94843bb88c5df04651535ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1490D | 10324 bytes |
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