MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs and link farms pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs further supports the attack pattern of luring users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://catamma.ru/uplcv?utm_term=bosch+maxx+7+washing+machine+instruction+manual PDF link annotation
- http://vanphongphamhienluong.com/upload/files/tasofarida.pdfIn PDF document text
- http://beerskiboot.de/img/upload/file/bidezutimekorov.pdfIn PDF document text
- http://ntvietnga.com/upload/files/goxiluxawanejufesezi.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/qp9pef4g49m7m0dj9rqupicr43/88273685503.pdfIn PDF document text
- http://bestbelly.org/content/files/files/53908402456.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9a364d078---83073681436.pdfIn PDF document text
- http://7linc.com/uploadfiles/fckeditor/20210823/file/16297149279547.pdfIn PDF document text
- http://studioarchterreni.it/userfiles/files/gawusu.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/ripvhjoqiqi9hmb8os8dnpplqe/6371805322.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/6391354362.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bdd03289949---jegibuwexomovenozikago.pdfIn PDF document text
- https://rubenoferro.com/userfiles/file/zefadugumixoruvep.pdfIn PDF document text
- http://mastervgtour.by/var/upload/file/34381587420.pdfIn PDF document text
- http://labradory.pl/file/87286480146.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ad897b7bb39593dc61099ce2c737cce2/81456825773.pdfIn PDF document text
- https://rougezenekar.hu/files/file/tazib.pdfIn PDF document text
- https://haidangpc.com/contents/files/ravexopiwopadega.pdfIn PDF document text
- http://gesundimjob.at/images/content/files/mivofewidiwilotaf.pdfIn PDF document text
- http://dakmet.pl/upload/fasedojosomufiwa.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/fecdfb3db313876841bfa0587b8c1671/2611929092.pdfIn PDF document text
- http://maychaybocaocap.com/app/webroot/uploads/files/wimepajadajuvirumu.pdfIn PDF document text
- https://luatsubienhoa.com/upload/ck/files/92244589398.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/pj3r24vgjt9olq6b8vkl3v9bij/mozerekodewufefajovu.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_off0000e5c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C1 | 18060 bytes |
SHA-256: 6dee1f975ce2843b2d94373b3a174fabeca957d038624db4fdd8ba5358d8e7af |
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font_01_sfnt_off0001141d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1141D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C34 | 11068 bytes |
SHA-256: 103c0aa38b4d1be6e8d0f9405711b6fe2d3c68bf51c51d1d46dcccbf75c1cde8 |
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