MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/52c05c30aa04771b1f170e4118e99dc2/kupukexetejuxividamefi.pdf In PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/a00b45f6d0b2d8609f80abdfd88cb5ec/33951826476.pdfIn PDF document text
- http://m2mus.pro/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/gepojufej.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/c7f892987893c697d06ce05818d491a5/jajepuxasarisaj.pdfIn PDF document text
- http://dentherapia.hu/files/file/40250400357.pdfIn PDF document text
- http://vladjurnalist.ru/archive/file/36965571787.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/9b6ec3002ed06772b762eef67312a343/74608827179.pdfIn PDF document text
- http://drentmedischadvies.nl/uploads/files/mupagezobadezog.pdfIn PDF document text
- http://sushimura1.com/uploads/files/79220373958.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/a1f6c07802440b2c08fe3b48349d554e/xunawiwetitutaboxoma.pdfIn PDF document text
- https://ecowaytechnologies.com/ckfinder/userfiles/files/fexusizavolanum.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9a702b43f---90971208141.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/p4p8jt0n5d1h06uajigsahnsr3/23828381239.pdfIn PDF document text
- http://www.autoservis-hubatka.cz/admin/upload/ww/file/74595538238.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160bba5d87ec65---gutefubibedunolotomog.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/c52f22dc3ce1b150058881dfe2337e7d/dopusoxarozuzulereru.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2b5309e89---30331730587.pdfIn PDF document text
- https://parvazyab.com/basefile/api203/files/dosuwigarepato.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/9fed78al4d0a7sdea8jhqq3mnu/14694777204.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6cd9728d4---86435940702.pdfIn PDF document text
- https://5udua.com/contents//files/39801984797.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/13893753863.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db85f7a4222---96276422583.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202105100924.pdfIn PDF document text
- http://print-resource.co.uk/ckfinder/userfiles/files/noxesaketumu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=best+snapchat+filters+for+acnePDF link annotation
- 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_off0000bd7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD7D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD58F | 16708 bytes |
SHA-256: dc851e0e054e402f239d6f0b36f270971c9af80fd3eeee78a2a2ef65418ca703 |
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font_02_sfnt_off0001009d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1009D | 10632 bytes |
SHA-256: 90095f243df21d426051825e4015ace18043ff7ce940fc761032981b79d81989 |
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