MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised WordPress upload storage, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://allytemp.ru/uplcv?utm_term=git+working+with+submodules PDF link annotation
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16077c90f25344---9261901363.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/subakomemupelimeneram.pdfIn PDF document text
- https://nazragame.com/calisma2/files/uploads/lojaruxazuwapuderoxu.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/08p0blr9c7dtlqgstoc03u0mrq/44842880844.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/dosawotirujiwodizaliva.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086a830c8979---64950912623.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/25514972226.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/c15f9151b1b0024ca62c3f7ac77b81c5/74846516032.pdfIn PDF document text
- http://kingalbertltd.com/uploadedfiles/file/88625282335.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/4ea69ee21287328985448172be3d8dbe/71978810394.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/5f5ae8940ec846b5956d14ea6c55e0b1/xakitibipuluziwinusuzokeb.pdfIn PDF document text
- http://lucann.com/Upload/file/woxisajejaze.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4aeec5b76f---61044734033.pdfIn PDF document text
- http://biolabsrl.org/userfiles/files/pukisesan.pdfIn PDF document text
- http://thuephotocopytaihanoi.com/upload/files/3620836218.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/jevubitetobeluxazaku.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7d9c684150---tafusebozaloz.pdfIn PDF document text
- https://akemi.ro/hirek/file/fifamikugiwolakirubetizaz.pdfIn PDF document text
- https://banghenails.com/upload/file/jevopudo.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805b564ec5a---moxolitufanurugagelom.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/jiwesinujuw.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/bdraqv3sovhjlq4vft2en1o595/85207554470.pdfIn PDF document text
- http://ecofincas.net/ckfinder/userfiles/files/pakejaxedexunitoperidike.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086bcbee3ad0---lafukitipimuvujomuzid.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_off0000c30e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC30E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB20 | 16644 bytes |
SHA-256: e0f31c2c63e91348c7435ca32f6758dadd2c1ac27b06bbbdc74eca9bf53552fb |
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font_02_sfnt_off0001069b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1069B | 10988 bytes |
SHA-256: d79c44203a82031378c7d8d760162b9b838431ddd1d6eed2ec32aed7c0d02ab6 |
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