MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 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 0.9962
Heuristics 7
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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 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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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://druttle.ru/wix?keyword=ac3+codec+apk PDF link annotation
- http://detonic-hypertonie.website/bubble_letters_printablefa4j7.pdfIn PDF document text
- http://goproonly.com/plc_allen_bradley_micrologix_1000_price_in_indiay2wyx.pdfIn PDF document text
- http://wersita.space/do_you_have_to_be_18_to_get_a_forklift_licenser3s10.pdfIn PDF document text
- http://garant-ritual.online/coesia_annual_report_2017se69h.pdfIn PDF document text
- http://bijukexamova.scienceontheweb.net/badminton_service_rules.pdfIn PDF document text
- https://cdn.sqhk.co/lebogomatoze/hR6jhge/rescue_machine_game_level_13.pdfIn PDF document text
- https://cdn.sqhk.co/kisibijobu/iiijmgd/14924878996.pdfIn PDF document text
- https://cdn.sqhk.co/ganuniwiku/eiejX1I/nigupikibut.pdfIn PDF document text
- https://cdn.sqhk.co/bapisolel/iegb1gg/vorevaz.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/dukajevo/rodubuxug.pdfIn PDF document text
- https://99104389-a8e8-46b3-a188-4b62913af25a.filesusr.com/ugd/8d46c2_26035ab4e2cc4cdabe0fe0daf9173b2a.pdf?index=trueIn PDF document text
- https://849bdae7-2456-4570-9e2a-fc769e7e49ad.filesusr.com/ugd/2074c9_96b45e02001849c9b84ffc990f1be054.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xaliwalufoguni/balanis_antenna_theory_book.pdfIn PDF document text
- https://6cbe2f5c-748b-4bc6-b691-25a968a47885.filesusr.com/ugd/d6b5da_6364c746bffb49198fdf69fb9592f50a.pdf?index=trueIn PDF document text
- http://vekabun.myartsonline.com/basin_and_range_mcphee.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 7
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE670 | 6568 bytes |
SHA-256: f1bdafbd580f333fec724c6c472fa428f11528df848eb590c8508f49ed81df4b |
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font_01_sfnt_off0000f68c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF68C | 3064 bytes |
SHA-256: bedf174cc242b70b033c7e7fb4935ea88e3f0aa24d6239735c9596cbc396540b |
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font_02_sfnt_off00010157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10157 | 4532 bytes |
SHA-256: 04fd60638114cf4b3610b86c0afd927fff76d7428fd685684a4ac19f780c35aa |
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font_03_sfnt_off000110b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B0 | 4868 bytes |
SHA-256: 2a7ced020ac7e4a7603a2c550d868c1630725260abe8eac4e7f4c588f0406c01 |
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font_04_sfnt_off000122a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122A2 | 17188 bytes |
SHA-256: d984e44d2d3c3586f90a82cbc9dddad85c60ecb42ddb8d7b8bed266bc7fa7e19 |
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font_05_sfnt_off0001580b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1580B | 16560 bytes |
SHA-256: 8f8a66937d013f43ed9afd4c24d46f8891fe1f05e6efa3d678cb6d388e2c78f7 |
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font_06_sfnt_off00016ec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EC0 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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