MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many of which point to websites hosted on compromised CMS platforms, indicating a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan. The document body is heavily obfuscated and does not provide direct instructions, but the presence of link farms and compromised hosts is a clear indicator of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9920
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 http://shophouse.info/images/files/gafivajifirosusivisiwaj.pdf
- http://hajni.pl/userfiles/file/jorezinuwofexu.pdf
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf2cda549a---18250919553.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607577f850822---59567548907.pdf
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16107c157182dd---38559850165.pdf
- http://samuiluxurytravel.com/Uploads/file/natadam.pdf
- http://unipsyclinic.com/userfiles/file/20210807100333.pdf
- http://christmaslandint.com/userfiles/kosakunogumiril.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16075c2e953b3e---kojijul.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/4a340c53d7509afb35fc792d4e7be1f9/42290511065.pdf
- http://wych123.com/upload/files/murewofazufo.pdf
- http://chiengthai.com/file_media/file_image/file/82639646516.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/v529ugm3v5abqjmcd8cra3bgn3/pupidomomodogegosejesoniv.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099cbcd0c2a6---sozetoxutufemabidojetevep.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/ea8202a5f1bc677af64dfa88505ad25e/mazaretekitenit.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b3c36fe37---sewofakaw.pdf
- http://www.rpv-drachten.nl/files/file/jitugipos.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160c4caae52071---ranulenafudefenobodesope.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/47f9b37b632f291470145ca503f9c90c/dodazuje.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609f77ed46d0f---94399198396.pdf
- http://curry-box-deluxe.de/userfiles/file/poxajidimukozigir.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c0afa17a5---sibalomesubafu.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cccaabc301f---12061570518.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=73+questions+vogue+list+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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7b4.bin2801ac53dcd87144b6e1a16f34b650e3bc2bc6a6646ab3a5b06d6131f9ca8b67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B4 | 10848 bytes |
font_01_sfnt_off0001106d.bin13148ea351b441464e34fb2a4e0ffa4e0e6bb33e8941db016e81a3a4e00d659a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1106D | 19068 bytes |
font_02_sfnt_off00012acd.bin335fd514cf9c5b3bf22592a3331d9e72c512d94f4c7ba47da91784720aa27658 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ACD | 18624 bytes |
font_03_sfnt_off00015b90.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B90 | 16792 bytes |
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