MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a significant heuristic firing indicating a 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK'. The primary malicious URL identified is 'https://seumenha.ru/strik?utm_term=why+does+hopper+go+into+standby', which is likely used for phishing or to redirect to further malicious content. ClamAV also detected this file as 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://seumenha.ru/strik?utm_term=why+does+hopper+go+into+standby PDF link annotation
- http://kefojixesopu.66ghz.com/xuzimojosowezudukaxo.pdfIn PDF document text
- https://cdn.sqhk.co/xawobovuji/LicFwyx/nitofegexexisonew.pdfIn PDF document text
- http://bemelegevew.22web.org/gakubuxojejar.pdfIn PDF document text
- http://pitepon.22web.org/where_can_i_buy_the_5_love_languages.pdfIn PDF document text
- https://cdn.sqhk.co/gadowikuxe/VqDjje5/hssc_clerk_official_answer_key_2019.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zusotofamagukam.rf.gd/how_to_have_a_good_relationship_with_students.pdfIn PDF document text
- https://62dace35-232c-43a2-b3e8-6cf19ad57148.filesusr.com/ugd/42ae31_16c8680d453148bfaf423bd9f21bd0df.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dixaleko/29420626130.pdfIn PDF document text
- https://s3.amazonaws.com/vuzotisenixava/6.5_creedmoor_load_data_h4350_eld_x.pdfIn PDF document text
- https://s3.amazonaws.com/gurafoga/65921679632.pdfIn PDF document text
- http://supikovibamukip.epizy.com/deguzanuwebajenopo.pdfIn PDF document text
- http://zeraginijumeje.epizy.com/38043747102.pdfIn PDF document text
- https://s3.amazonaws.com/liwafo/100_startup_review.pdfIn PDF document text
- http://bigobawavelig.epizy.com/short_story_english_literature.pdfIn PDF document text
- https://s3.amazonaws.com/gajakelegeza/pobesixo.pdfIn PDF document text
- https://s3.amazonaws.com/lezopobigeza/individual_health_care_plan_template_for_schools.pdfIn PDF document text
- https://952d9f4b-853a-4e85-af28-23c4d489d487.filesusr.com/ugd/8db125_5cb971e6e3ec4dfcbfb5239f34f5b8cf.pdf?index=trueIn PDF document text
- http://mevusajilitum.rf.gd/executive_chef_cover_letter_template.pdfIn PDF document text
- https://s3.amazonaws.com/sowewazulejewi/schlage_keyless_lock_manual.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7DC | 5444 bytes |
SHA-256: 7527905371d02257fd2d9ca1b2cd98401d3e44317f639daa4b29a6ce7376cdb1 |
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font_01_sfnt_off00010a6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6C | 11384 bytes |
SHA-256: 6ef5d1a6510c864d8332051791d11fdce98b32d922d854053df4b0819b33c6ce |
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font_02_sfnt_off0001319b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1319B | 16664 bytes |
SHA-256: f694c761250f2b392e8b40418806b9440f453a5bc284d191e2a99492a61ba144 |
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