MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF that contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the nature of the links suggests a potential distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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 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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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://midufefew.ru/strik?utm_term=citizen+blue+angels+stopped+working PDF link annotation
- https://cdn.sqhk.co/tuwesedujila/pR9gihe/swipe_brick_breaker_284.pdfIn PDF document text
- https://cdn.sqhk.co/mosizuwowux/jflMYTn/kapoluralomibawukelot.pdfIn PDF document text
- https://cdn.sqhk.co/juvokapo/HNmgJif/ffxiv_white_mage_leveling_guide_shadowbringers.pdfIn PDF document text
- https://cdn.sqhk.co/kunimanujage/ShdkhaW/zombie_2_birthday_party_ideas.pdfIn PDF document text
- http://runivofo.iblogger.org/microsoft_powerpoint_templates_free.pdfIn PDF document text
- https://cdn.sqhk.co/nevawanipo/hchffie/azur_lane_repair_ship_guide.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472503/normal_602258e947064.pdfIn PDF document text
- https://cdn.sqhk.co/kukisigafumi/iZjiMyF/fekalimi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420911/normal_601c97011ef70.pdfIn PDF document text
- https://cdn.sqhk.co/wumidimux/lji2hbz/car_racing_video_games_youtube.pdfIn PDF document text
- https://cdn.sqhk.co/pikukafil/ggifhgY/3d_origami_animals_cartoon.pdfIn PDF document text
- https://cdn.sqhk.co/nanagajog/qUNMhdn/wotufetiburakolun.pdfIn PDF document text
- https://cdn.sqhk.co/doxanusubomo/gmKVhd2/xml_indentation_formatter.pdfIn PDF document text
- https://cdn.sqhk.co/lewivapawo/jbJSYhg/the_last_survivors_2_player_zombie_game.pdfIn PDF document text
- https://cdn.sqhk.co/pufuxogife/XvrLje9/26931931255.pdfIn PDF document text
- https://cdn.sqhk.co/bovokolel/6MhcbvT/mekupop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389107/normal_6024080b9abe8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lumolak.rf.gd/maropavuporalulavuxu.pdfIn PDF document text
- http://vedulojut.epizy.com/schumacher_battery_charger_manual_model_se-_1052.pdfIn PDF document text
- https://000bb656-a8cb-4e8b-9327-0b0ec99f56fe.filesusr.com/ugd/3f812e_d948e396e0cb4693bc59cb6eba46eef2.pdf?index=trueIn PDF document text
- https://58f604bd-1fd8-4cfe-af9b-f15e67d030d5.filesusr.com/ugd/9a7439_f986cd621c694e72b089c27f510a51e9.pdf?index=trueIn PDF document text
- https://2703069b-a6ff-4ff9-983c-db139a8d76ba.filesusr.com/ugd/8b61cf_fc3bd5c050e3498293d05f89685c2940.pdf?index=trueIn PDF document text
- http://kowejanaf.rf.gd/senezikudakip.pdfIn PDF document text
- https://11f44e1d-c86f-4be6-baa1-90970e7c24f5.filesusr.com/ugd/a298ce_312154e53cc54405853abd1f233712f7.pdf?index=trueIn PDF document text
- https://9334512a-4df1-45dc-8804-f0fa1d9e2a3d.filesusr.com/ugd/9466eb_60ce9738a3394945a4782a569ad220a8.pdf?index=trueIn PDF document text
- http://janalusexisowa.epizy.com/mckinsey_case_interview_questions_and_answers.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_off0000f86a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86A | 5380 bytes |
SHA-256: d3e0350bb80d4cff66e9578cd54b5a32dc3d8992c39e0a8230c01a0e98bc2f5b |
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font_01_sfnt_off00010ad4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD4 | 10992 bytes |
SHA-256: 0e57b47be03ab4e6df4470ce5e5ef53ad6c1dc1fd4977360e1be1548edef9812 |
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