MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous external URIs and links to compromised or disposable hosting, suggesting it functions as a link farm to distribute malicious content. The presence of embedded URLs and the nature of the heuristic firings strongly indicate an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
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://garglob.ru/uplcv?utm_term=get+cell+tower+information+android
- https://zlataraburmevuckovic.com/files/wiwekewewi.pdf
- https://zaragozadenoche.es/upload/files/63481869598.pdf
- http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/xovinetimoroseg.pdf
- https://anjingliar2.com/contents/files/24161266973.pdf
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/diwefubulozoxufuzewol.pdf
- https://floridainvestment.cz/files/file/11734608644.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613453647ad0d---dewopuwulokoxupojenuvabur.pdf
- http://hanboo.cn/Uploads/file/2021091207043270554.pdf
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18293118945.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/161315958c338c---4478464643.pdf
- https://gea99.com/ckfinder/userfiles/files/11981748234.pdf
- https://oteaexpert.fr/cite_imgs/file/82033879294.pdf
- https://kaktutzhit.by/uploads/files/36506714314.pdf
- http://superfasttv.com/uploads/files/fejidamibinepagipip.pdf
- https://centrorevisionimonregalese.it/file/836883225.pdf
- https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/liroretatajegirufo.pdf
- http://palaciodelosnavas.com/userfiles/file/84152023282.pdf
- https://szelvedojavitasmiskolc.hu/files/files/80188245896.pdf
- https://psychotherapie-coeppicus.ch/userfiles/files/balozitekolezobavukajudob.pdf
- http://chinalabware.ru/d/files/10604473992.pdf
- https://gemma.lucien-sv.info/uploads/files/613147d01f44b.pdf
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/3d84bc6b4c26f326214219ea71370012/zemumad.pdf
- http://tinhdauvietnam.vn/upload/files/gulexir.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_off0000cf48.bin0a7c40006fc27d51153b21d6a48ea79a8c7f146cc8b15030b343ea684e52a4c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF48 | 16416 bytes |
font_01_sfnt_off0000e5fe.bin7bd0662299503cfb0c6b8f634ee4d92107420f738ddb0af4e2758f1693d9fae1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5FE | 18624 bytes |
font_02_sfnt_off0001164c.bina94a810447df268126c68ab49498e720bf0572eab2ccf40416e5ad163849afab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1164C | 10596 bytes |
font_03_sfnt_off00012e89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E89 | 16792 bytes |
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