MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, identified by heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM'. These links likely serve as a distribution point for malicious content or phishing pages. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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 http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2fc031014---tanuvu.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e84fceab4d---62637859880.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/b954a5efa68a63bf3d21b6d0f5fc8f58/tijexowigasoxuzopuxisinom.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160df85aa94709---15763896849.pdf
- http://terralindahigh1981.com/clients/866868/File/47703984465.pdf
- http://kondicionery-domodedovo.ru/upload_picture/file/17783034678.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/f35b2b8001c54832792c72537cd42dbf/62420171933.pdf
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/xupisuv.pdf
- https://hyosungulf.com/uploads/file/87532423631.pdf
- https://menu2uplus.com/images/file/gejaxivatetagenejopibexuf.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/43gd6voo4e9hlqqh8umu04vqar/76414133261.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/6g3j4ntugs367nkojr3nhr2510/83527857496.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c070ea33a94---18227295799.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607951c112ac6---bogolos.pdf
- http://ondrejkocar.cz/img/file/50565488101.pdf
- http://www.aluvascientific.com/UserFiles/file/39710477680.pdf
- http://samtekelektrik.com/files/dukebozus.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/be1fe4d8176b63192682c28eb116da09/xiboxewefudawodanezanuzi.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076392c97f98---79635276385.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/df0d158ca6f60f777e6f586ad64d7fd6/xuwejubep.pdf
- http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23522526356.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=wow+warlords+of+draenor+leveling+guide
- 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_off0001066f.bineb0e8e3e49f34066564a9b668a32b1ebf3c14d4e0a97f5973a94b756d4dd79d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066F | 17420 bytes |
font_01_sfnt_off00013412.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13412 | 16792 bytes |
font_02_sfnt_off00014c23.bin7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C23 | 16312 bytes |
font_03_sfnt_off0001622f.bin72c97894d97148406c9c07da5ab7e26f9d07371f6fd896ebfa48eda7778c808a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1622F | 10676 bytes |
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