MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, with multiple heuristics indicating it functions as a link farm pointing to compromised WordPress sites and disposable hosting. The embedded URLs, such as 'https://pixomot.ru/uplcv?utm_term=de+che+android', are likely used to redirect users to malicious content. Although no scripts were explicitly extracted, the PDF structure and URL patterns strongly suggest a phishing or malware distribution attempt, warranting a high confidence score.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://pixomot.ru/uplcv?utm_term=de+che+android
- https://harkakotony.hu/UserFiles/file/nokijejaruzubesel.pdf
- http://cbcom.eu/ressource/site-image/files/89247427552.pdf
- http://maivietnamesecotati.com/uploads/files/vaginodifimelu.pdf
- https://brincandoeaprendendo.com/fotosempresa/files/45632002012.pdf
- https://jogamiskolc.hu/ckfinder/userfiles/files/sarurowo.pdf
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/4587082e906ebda060085b04ef7e96c7/60562408064.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161450f2cb0d9a---57425244351.pdf
- https://prestinieurope.ch/userfiles/files/tedebunenug.pdf
- https://aspirecambodia-edu.org/userfiles/file/ripunikofujusefafufikidur.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/161408c24a6b51---99312535142.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132226fe529f---xadakiwuvavaxezoviza.pdf
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/kolavovenug.pdf
- https://oriontradecom.com/ckfinder/userfiles/files/zusogejilapegebekus.pdf
- https://cbconsulting112.ca/userfiles/files/98143600068.pdf
- http://sanmorales.es/userfiles/files/vetamimovolarilax.pdf
- https://tw-itemaos.com/ckfinder/userfiles/files/64132542182.pdf
- http://ranchobg.com/img/file/88881849575.pdf
- http://rajskiewakacje.pl/userfiles/file/lonegofebujerizajusoxibi.pdf
- http://bancasemecanino.com/userfiles/files/jumegakejemasesoporo.pdf
- http://megaprestige.ru/uploads/files/widipepaxugebomix.pdf
- http://asfalon.com/__files/file/vevetozopuxetetaguj.pdf
- http://ch-bovi.com/upload/files/9976213428.pdf
- http://oasis-inwaste.asia/files/file/80819865354.pdf
- http://www.lircai.com/web/inline/file/23802384004.pdf
- http://teusz.pl/UserFiles/file/10291121255.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_off0000e5f6.bin7338fadb5ffa6636b9e57b34ed20d969b0c1de5d6b3406b64f425590fde3da0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F6 | 10156 bytes |
font_01_sfnt_off0000fc8c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC8C | 16792 bytes |
font_02_sfnt_off0001149e.bin5b84740668e46b50d581675716171bcb599284a2214ec0fae40cdce971fd51be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1149E | 21348 bytes |
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