MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document functions as a link farm, likely to redirect users to malicious content or phishing pages. No scripts were extracted, but the presence of numerous external links suggests a phishing or malware distribution attempt.
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://catamma.ru/uplcv?utm_term=how+to+get+into+android+recovery+mode PDF link annotation
- https://francoisdaulte.com/ckfinder/userfiles/files/72804139666.pdfIn PDF document text
- https://rivieresoceanie.com/ckfinder/userfiles/files/50056270675.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e8ac5d609---fezusadiput.pdfIn PDF document text
- https://amgaa.org/temp/files/86504968565.pdfIn PDF document text
- http://exhibitionchannel.com/upload/48446230348.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/o40kgon34qfc5kumnhlelslim2/11729560377.pdfIn PDF document text
- https://buka.ru/sadm_files/60242242501.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306029e5b75---50033715373.pdfIn PDF document text
- https://maribon.net/app/webroot/files/userfiles/files/nuloviwudurevepigokam.pdfIn PDF document text
- http://corkpotters.com/images/91266553193.pdfIn PDF document text
- https://spvi.cn/filespath/files/20210906020633.pdfIn PDF document text
- https://robindayne.com/ckfinder/userfiles/files/45695550065.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/rirugunokakosuja.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134fa8342b41---53177495238.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/020c2538e8b5cd2c1786b7b1fdc7a40f/70329620438.pdfIn PDF document text
- https://www.seblocation.com/ckfinder/userfiles/files/powosapivipusu.pdfIn PDF document text
- http://engcaphone.com/_UploadFile/Images/file/22725616818.pdfIn PDF document text
- http://sportingclubalbinia.eu/userfiles/files/gufisurovuk.pdfIn PDF document text
- https://mitrasuksesku.com/userfiles/file/xurodaxajesigodokavikus.pdfIn PDF document text
- https://devcons.org/uploads/userfiles/files/86952827002.pdfIn PDF document text
- http://b-solutions.net/userfiles/file/xewudimisosasuluxobase.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_off0000dcb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C4 | 18028 bytes |
SHA-256: aed5e7fec335f96df5712262bf35bbcde7a0914f3d3264591e31538f7f3e08b3 |
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font_02_sfnt_off0001237d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1237D | 10756 bytes |
SHA-256: 08cc9aba0e24f51abf8ef1b234155bbd49b6f9f9f4137373c231a3c2735e411e |
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