MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm with multiple URLs pointing to potentially malicious PDFs, indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and the 'ML_NYX_PDF_MALICIOUS' flag. The ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' further confirms its malicious nature. The embedded URL 'https://jottigo.ru/award?keyword=shrink+pdf+mac+os' is likely part of the lure to download a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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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://jottigo.ru/award?keyword=shrink+pdf+mac+os PDF link annotation
- http://usesucre.pro/zevodeparoxewojotegeniivcc.pdfIn PDF document text
- http://carinsusa.info/sopejuduvabafifonev5ia92.pdfIn PDF document text
- https://cdn.sqhk.co/kubepugemaki/jbiddJa/fenabuziw.pdfIn PDF document text
- https://cdn.sqhk.co/ribegibonot/8jjbiex/xagejuvuri.pdfIn PDF document text
- http://potenciy.xyz/canon_pixma_mp250_printer_troubleshootingchc9t.pdfIn PDF document text
- https://cdn.sqhk.co/wajuletixex/cjdVtYv/fugotavewogik.pdfIn PDF document text
- http://creditscorehelp.info/grade_3_afrikaans_reading_books7z19d.pdfIn PDF document text
- http://pixelbarista.com/gotuzamefedawitakjac9.pdfIn PDF document text
- http://goloszauniver.fun/how_to_factory_reset_pc_from_command_prompt2qslk.pdfIn PDF document text
- http://remontlegko.info/how_to_play_a_split_hand_in_blackjacki8sfs.pdfIn PDF document text
- https://cdn.sqhk.co/xenivoronizu/fNIyhcX/baseball_ball_holder_trophy.pdfIn PDF document text
- https://cdn.sqhk.co/xolovagi/H3Z7hjN/the_very_best_of_the_eagles_album_art.pdfIn PDF document text
- http://leadtop.co/39638449745l9zxx.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/padosumifubobo/best_call_tracking_app_for_android.pdfIn PDF document text
- https://0ecef3a8-5193-4df1-8dcb-1b7dd0f2be2a.filesusr.com/ugd/e6092c_48abf0e9479e4c45a2542fc4061e07dd.pdf?index=trueIn PDF document text
- https://9eb5ee95-128e-4115-bcd6-d8db8525ce49.filesusr.com/ugd/9904c2_8bf1217eee76487fa3ba1e264bb30984.pdf?index=trueIn PDF document text
- https://46c0acaa-de7d-4f46-84f0-c2cf1d8ff7d9.filesusr.com/ugd/ac1638_f398b3cfe18b45f88962fde41869d1ac.pdf?index=trueIn PDF document text
- https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_82c9282f28704b318683afa88c4ab98b.pdf?index=trueIn PDF document text
- https://dba0ca6b-c979-46b3-87c9-041648dee063.filesusr.com/ugd/6f58fb_1977b993cd9046c7aad73f5021dfa5a9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xoferuzu/parulunakajisefutigazileb.pdfIn PDF document text
- https://s3.amazonaws.com/satedafadusizo/56473486492.pdfIn PDF document text
- https://s3.amazonaws.com/nefunupu/71223934273.pdfIn PDF document text
- https://s3.amazonaws.com/varolexexus/one_of_us_is_lying_characters_janae.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_off0000f7b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B1 | 5532 bytes |
SHA-256: 1a3b6130a2e349dda595c84e7770c3b5d30e9f2c32cd3b89d3469a5613bbad94 |
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font_01_sfnt_off00010a54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A54 | 10900 bytes |
SHA-256: 3974c12426e13ec5b4270e1d94af193ebf432910b8042eca1b8a6be352cb70fa |
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