MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or malware distribution lure. It contains a link farm with numerous URLs pointing to potentially compromised or disposable hosting, suggesting an attempt to redirect users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific pretext, but the overall structure and heuristic firings strongly indicate a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/giwejuretarara.pdf In PDF document text
- http://chonburi33.com/userfiles/file/tikadekilobe.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/11230899852.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109091024488023.pdfIn PDF document text
- http://domadoma.cz/userfiles/file/91954921341.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f225ab9803---zulowadamewabi.pdfIn PDF document text
- https://zbmbudomont.pl/userfiles/file/39292215422.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/84468aeaab04b40199f352cd31bfb258/xajebuziwonojosotibasapa.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/loluwifuwamufax.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/61844305703.pdfIn PDF document text
- http://prmakeup.com/Image/files/62243927048.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/gagudezafesokan.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/22287895515.pdfIn PDF document text
- https://italvaping.com/file/46070372408.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/0508034232aed40817dd410b1ebdfd7d/7177241569.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/24577354313.pdfIn PDF document text
- https://zhbiotech.com/CKEdit/upload/files/99744151863.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316569060e0---guredofafe.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/giwafuvokugupotun.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c871d3bbfa---pavutivukodaje.pdfIn PDF document text
- http://www.sanjuktabanerjee.com/fckimages/file/zijobez.pdfIn PDF document text
- http://s2group.pl/userfiles/file/fovonolelikukijavujigi.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/logixasilamifemibo.pdfIn PDF document text
- http://savemaxint.com/files/file/26566440397.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=kodi+mi+stickPDF 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_off0000b71a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB71A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF31 | 10068 bytes |
SHA-256: a893004fe9f9710c774781f4bcca9a7269385b28ddfb292f284eb3452d2a3ba6 |
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font_02_sfnt_off0000e59e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE59E | 20880 bytes |
SHA-256: aab0b6162d0f235a0cf17f6969d0126f45aeaded7e0cd35af2ac0334be93dad5 |
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