MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous embedded URLs pointing to various websites, many of which are hosted on compromised CMS platforms or disposable domains. The presence of a 'Download' button lure further suggests an attempt to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/749f2d1976af9031f5ec5167c0313983/82273525105.pdf
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/feguzuroreget.pdf
- https://justbuymeds.net/userfiles/file/88869608010.pdf
- http://nhakhoasaigonkimcuong.com/uploads/images/files/fibel.pdf
- http://hanbangrd.com/userfiles/file/20210804140331_1285877619.pdf
- http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/62636855402.pdf
- http://rogalafamilyreunion.org/clients/0/0d/0db8e8e54aa701f14f52e26b989c21c2/File/87175849631.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/c4cf4c6f2910463596c887991a1dca63/3283677901.pdf
- http://eva.am/files/c0f6ff857d072804.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5d7473dd0---20426084142.pdf
- http://frickcontrols.com/uploads/files/zasegizuvirovotenuvalu.pdf
- http://doubles301.jp/files/ckeditor/files/nepikalilukomu.pdf
- https://reazfarah.com/ckfinder/userfiles/files/34781998257.pdf
- http://rosswellbulldogs.com/clients/b/be/bee1e50a814ad4ba40998340b8964064/File/8990201009.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a4cdc3174---sapez.pdf
- http://aryajob.com/user_upload/file/89246128187.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073938cf393f---minubemasiruxowodemob.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/0f1c74eac7ffda9d67ac9c41d4aca73d/72244623033.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a79b18d32f---peliwitelaxomulewizola.pdf
- https://n-v-v.dk/userfiles/file/34118453726.pdf
- https://kabelkyaobuv.sk/editor_uploads/files/zejulupomi.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/4e7bdbdc0d15d7165465a0aeecd4a299/16362480736.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/88d27f47141a0e6f5e67e4cc223acff6/wutufu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=ipega+9021+manual
- 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_off0000dda7.binaf5ff5065a942927d61dcef0a777651bd5394de7907575a5cdb9f616e67d2644 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA7 | 20500 bytes |
font_01_sfnt_off00011298.bin99070ed770fe4a661ac51ec50d850127842d476e83eb3d0aff7355def5414302 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11298 | 10528 bytes |
font_02_sfnt_off00012a9f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A9F | 16792 bytes |
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