MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics and a machine learning classifier. It contains numerous external URIs and links to compromised WordPress sites, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
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://nomylo.ru/uplcv?utm_term=how+long+will+my+puppy+cry+in+the+crate
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723fdcda81e---67610627285.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608525f78f2df---18417673910.pdf
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/9547393677.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4372902c6f---xibipuvonedadipopazudep.pdf
- http://billsky.ee/files/file/15495435099.pdf
- https://binarbaidtrading.com/public_html/userfiles/file/14990758543.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/qehlitunfm6vsbdsjhktffl0q2/tikukuvegumekatuv.pdf
- http://pronobile.de/catalog/file/69275246353.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/25c457149419dc33bfa141f20e759178/42248900582.pdf
- https://cpsguffanti.com/uploads/file/giweketejamofamisan.pdf
- http://kondicionery-lubertsy.ru/upload_picture/file/nomixen.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160890a18a46df---gudix.pdf
- http://ptairsupply.com/userfiles/file/jokobizolesuto.pdf
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/92b0422c9548154753538a74b0836fed/58457565332.pdf
- http://learningkey.org/userfiles/laxerikovum.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/f032f04e348c671bc8be47349ab35510/47159002875.pdf
- http://teamwork-poetschke.com/ckfinder/userfiles/files/691076853.pdf
- http://uk-finansist.ru/userfiles/file/lulijakoloxivakan.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/179281e361feb9c227243ebcad459c13/78638719771.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075aa6c53954---kefoparewodomenelaguni.pdf
- https://loctra.net/userfiles/file/9983675064.pdf
- https://vicotelecom.vn/static/source/images/file/10989714464.pdf
- http://2440027.ru/upload/file/98971807438.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/793e0713e3f0ccd5759ce79b7e626e29/29099408946.pdf
- https://sgpropertylawyers.com/wp-content/plugins/super-forms/uploads/php/files/28ae5aec3ff1b16dfab01b142a43ce47/33544661591.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec6d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6D | 16792 bytes |
font_01_sfnt_off00010484.bin09b47502cc10cf43ea656489342ab2d8371851057ad9eb5315e548e4dd6f1426 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10484 | 10944 bytes |
font_02_sfnt_off00011db5.bin463d6634a426f3d1f091f4da12a3a7ea4c6c9a96fe3c1d85366e79cea789f3c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DB5 | 16300 bytes |
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