MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by an ML classifier and contains a large number of external links, many of which appear to be SEO-driven. The document body, though heavily obfuscated, contains text related to 'free download' and mentions 'wkhtmltopdf', suggesting it's part of a link farm or a lure for malicious downloads. The presence of numerous external URLs, including one pointing to 'druttle.ru', indicates a potential attempt to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://druttle.ru/wix?keyword=death+with+interruptions+pdf+free+download PDF link annotation
- https://cdn.sqhk.co/xijodepub/LCjauae/lucky_pusher_win_big_rewards.pdfIn PDF document text
- https://cdn.sqhk.co/mabisurud/dH5Yhgc/mystical_mandalas_colouring_book.pdfIn PDF document text
- https://pikarazumubujon.weebly.com/uploads/1/3/1/4/131452816/44ac37722af013.pdfIn PDF document text
- https://cdn.sqhk.co/sanobude/fCHQgga/gujuzewilaxewezawoxopene.pdfIn PDF document text
- https://sixagezox.weebly.com/uploads/1/3/1/6/131606695/21ef974b.pdfIn PDF document text
- https://cdn.sqhk.co/pafevola/gjb5gic/mercedes_benz_e_class_2018_manual.pdfIn PDF document text
- https://guvefivilemu.weebly.com/uploads/1/3/4/3/134397682/d572961cc56cf5.pdfIn PDF document text
- https://woperuxotuxolo.weebly.com/uploads/1/3/4/8/134849923/9956545.pdfIn PDF document text
- https://cdn.sqhk.co/rabuvimi/cXhiUgg/20976375389.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/tikoweravisixu/itv_tv_guide_rugby_world_cup.pdfIn PDF document text
- https://s3.amazonaws.com/pibabopuduj/management_of_brainstem_cavernous_malformations.pdfIn PDF document text
- http://fububosuvakosal.epizy.com/free_google_chrome_for_ubuntu_16._04.pdfIn PDF document text
- https://493f174a-a540-412c-bacb-e5b7b26cbfcf.filesusr.com/ugd/95bb70_bd0ea1a25bc04cc6b59082872d2ad68e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gagotaniwipure/ayurvedic_medicine_malayalam.pdfIn PDF document text
- https://s3.amazonaws.com/divikufifir/tunnelbear_vpn_chrome.pdfIn PDF document text
- https://s3.amazonaws.com/tezofuretejom/banner_labels_16_per_sheet_template.pdfIn PDF document text
- https://s3.amazonaws.com/dosalapasenow/48773688703.pdfIn PDF document text
- https://s3.amazonaws.com/pilazi/multivariate_normal_distribution.pdfIn PDF document text
- http://rutipozi.epizy.com/informed_consent_form_for_research_template.pdfIn PDF document text
- https://01d7ec8a-e38e-4e33-8c76-1be31754498b.filesusr.com/ugd/24d943_8bc8cfd07e2c4a9784ebd33bd8fca6f4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zubata/88416137574.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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A3 | 5104 bytes |
SHA-256: 60202ca6d29254bf3141d86ff522763c36ff21e0ecf0e695a4303981940b942d |
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font_01_sfnt_off0000f901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF901 | 11904 bytes |
SHA-256: bb18f5b4568e22f838bda3bf52114c0125700591cd375ebe84571041b4d4f534 |
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font_02_sfnt_off0001213c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1213C | 16248 bytes |
SHA-256: cacce353daa52449aaa2dc03ff14e12d7f37b8e2e541d6bae97b449db5f5a003 |
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font_03_sfnt_off0001368e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1368E | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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