MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also flagged this PDF with high confidence. The document body, though heavily obfuscated, suggests a lure related to development milestones, aiming to trick users into clicking the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/123?utm_term=milestones+of+development+pdf In PDF document text
- http://thedopemarketing.com/65962329295gqz0i.pdfIn PDF document text
- http://wordsidepost.top/how_to_add_paper_to_canon_mx922v3dpn.pdfIn PDF document text
- http://stankovit.ru/how_long_do_beats_solo_wireless_take_to_chargeofhgx.pdfIn PDF document text
- https://cdn.sqhk.co/govovazeket/hhuifjh/dj_apps_2018_new.pdfIn PDF document text
- https://cdn.sqhk.co/tuxarulenogu/igNPCib/ebay_auction_sniping_tool.pdfIn PDF document text
- https://cdn.sqhk.co/lisakopew/bZvoggp/extreme_landings_pro_mac_crack.pdfIn PDF document text
- http://help-copyrightservice.xyz/how_to_enable_local_area_network_in_windows_10cnmfk.pdfIn PDF document text
- http://poverkavoda.website/the_hydrophobic_skunk_answers_long_responselfr00.pdfIn PDF document text
- http://usesalle.xyz/potabelebafeba5bz01.pdfIn PDF document text
- http://autoport76.online/datoniwufozewenwp4d.pdfIn PDF document text
- http://distornyup.site/154643101425avo2.pdfIn PDF document text
- https://cdn.sqhk.co/wewutivuv/gdepU6e/chocolate_reaper_pepper_seeds.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kitakilesa/41268258658.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5919f9e-8ef9-46cd-901d-029471743f9f/86981917962.pdfIn PDF document text
- https://7a579b3f-ce96-4c66-abdc-991530493d29.filesusr.com/ugd/010c6b_bb0280548f1540babdc6cb7dd4306d0d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8ca593aa-76fe-4752-a90e-6ed6c6e121a9/what_is_expense_to_revenue_ratio.pdfIn PDF document text
- https://e055bcc9-c4f1-4c6c-8dcb-0912bf54750f.filesusr.com/ugd/b4a829_07772e1c9d7e43b8b922ff08ca90d045.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/popisiburewixuj/10292245709.pdfIn PDF document text
- https://f84ffea9-2755-49c2-9cb5-47ca8b55fe65.filesusr.com/ugd/0adedf_2337fc41e7154baa9cc44e7570994f74.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2562e750-a4f3-4cf7-8ccf-b89cb5a39d77/the_best_keto_delivery_meals.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef4e6f09-cf2d-42a5-9a48-e5de0f6d0ad1/libro_espaol_primer_grado_lecturas.pdfIn PDF document text
- https://ed21222e-fee3-4fab-8b52-e2ddb7bb35ab.filesusr.com/ugd/e73fea_7244e73b0e7f483b84d6ea70abf51c09.pdf?index=trueIn PDF document text
- https://30fe55a9-f0c7-4aec-9bf5-b9d2225d99a8.filesusr.com/ugd/c4a51e_3fcf91ddaddd486494dcd94419184c4b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xuxifuzituwu/unication_g5_pager_tones.pdfIn PDF document text
- https://s3.amazonaws.com/nefagolom/quickbooks_online_expense_report_by_category.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fbc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC5 | 4944 bytes |
SHA-256: f55b733aed5da89b3f84a797a86afb74bb3b18a0e1e7b84b0f58699f642e3126 |
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font_01_sfnt_off00010ca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA4 | 10780 bytes |
SHA-256: 19b567175543bc93b82e4f1f36fda98d0667949302a88d5d122e009d5c339272 |
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