MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to compromised WordPress upload storage and other disposable hosting domains, forming a link farm. These links are likely intended to redirect users to phishing or malware distribution sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://laborke.ru/uplcv?utm_term=alpha+sapphire+legendaries PDF link annotation
- https://revive.fashion/upload/files/garuxerubavixokoviva.pdfIn PDF document text
- https://shirbandifelt.com/userfiles/file/153511991.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/votibiwuvibodigow.pdfIn PDF document text
- https://huuphongplastic.vn/uploads/images/files/kepesup.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/e9184a78a6da0a1e93c96024fde989ff/boxasemopajuvonovaguzogu.pdfIn PDF document text
- https://pomtco.com/technical/files/file/bigagulor.pdfIn PDF document text
- https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/66449634854.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/40384662037.pdfIn PDF document text
- http://onestep-tokyo.com/userfiles/file/78062616085.pdfIn PDF document text
- https://888nv.ru/userfiles/file/xugedulesuzumudasopim.pdfIn PDF document text
- http://dlevitin.ru/fck_editor_files/files/gasurinisej.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/3860765d3d75c701e1825f91b726863b/belom.pdfIn PDF document text
- https://yellowstonewildlife.com/4460715090.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/b6d612773e3bc64ba73ff3ed63c67f65/21281610358.pdfIn PDF document text
- https://ckmandarin.com/uploads/71675015741.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/50254874537.pdfIn PDF document text
- https://emenu.hu/editor_up/zifer.pdfIn PDF document text
- https://aromamarketing.md/img/files/mifabilotuzarumax.pdfIn PDF document text
- http://teleserviciomalaga.com/ckfinder/userfiles/files/55525461194.pdfIn PDF document text
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/14102646321.pdfIn PDF document text
- http://unixsensor.com/uploads/files/202109051355481450.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d037.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD037 | 10436 bytes |
SHA-256: f114c7582c237ab0aeb4fbf9504fac1fe2250567ac4e505226bafd1881986dc5 |
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font_01_sfnt_off0000e78d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE78D | 19968 bytes |
SHA-256: 6056d0504b904c616837080f18a518cfc68b38a3db5d9b980c62ffa891c47488 |
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font_02_sfnt_off00011c65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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