MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://tsafar.ir/basefile/tsafarir/files/kivokukopu.pdf
- http://hemeringen.de/ckeditor_ablage/userfiles/files/11058235356.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/sh7lpe4ob5jb0nk3k5arnuh5lv/20942815889.pdf
- http://bmfjhjk.friend-match.com/upload/files/80514992387.pdf
- http://studiocalcinoni.com/userfiles/files/76369157044.pdf
- http://websteravelandscaping.com/editorData/file/dajesavejetejinavakaziku.pdf
- http://tantusmarina.com/UserFiles/file/safijizonupovoger.pdf
- http://jlsxjy.com/right/UploadFile/file///2021091117181173499.pdf
- https://arte-salon.ru/upload_picture/17931320423.pdf
- https://petpetmates.com/files/editor/file/kelam.pdf
- https://penzionradvanice.cz/res/file/lobedodotokoxekasaxomim.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/3e5ae012e2cab92735400c2d77d1db4c/tasopofukuvitakabulifo.pdf
- http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nadozobutagiwegape.pdf
- https://hanomanberjaya.com/contents/files/94640349247.pdf
- http://letdentalab.com/img/files/77138497090.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16135d8f524f71---92223333299.pdf
- http://mecateengenharia.com.br/ckfinder/userfiles/files/60102500897.pdf
- http://cgl.lu/userfiles/files/jawasusoruvobexilur.pdf
- http://ride.hu/images/uploads/files/89020173969.pdf
- http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/83839161477.pdf
- https://swaarm.de/app/webroot/upload/files/90179041394.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1a61475d2---67346247443.pdf
- http://konikanarrowfab.com/ckfinder/userfiles/files/wepan.pdf
- http://erex.hu/upload/file/buxuzopozufejipibuda.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=peppermint+streaming+vf
- 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_off0000c116.bin2fb67cd8c1f05ac3ca71c699c04b52e95e649b6c62b3dcb1362add85f45dfe8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC116 | 10600 bytes |
font_01_sfnt_off0000d958.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD958 | 16792 bytes |
font_02_sfnt_off0000f16a.bine7057d0516abd3f2d7996406c3394788eafb81d2bec2829e8a5254d33800e55d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16A | 17680 bytes |
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