MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicative of a link farm. ClamAV and ML classifiers identified this file as malicious, specifically as a phishing or trojan PDF. The presence of numerous external links suggests an attempt to redirect users to potentially malicious content or to manipulate search engine results.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://zajinet.ru/strik?utm_term=add+tp+link+smart+plug+to+homekit PDF link annotation
- https://cdn.sqhk.co/wamefuvew/hajf2ji/android_apps_on_pc_without_emulator.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445532/normal_5ff4913c32694.pdfIn PDF document text
- http://sexedate69.site/mergers_and_acquisitions_questions_and_answersphg29.pdfIn PDF document text
- https://cdn.sqhk.co/zimuteraf/dYVgfcl/xofaxa.pdfIn PDF document text
- https://cdn.sqhk.co/zezaxemepe/jbVPgfV/how_to_find_snapchat_users_near_me_2019.pdfIn PDF document text
- https://kepegefamoza.weebly.com/uploads/1/3/1/3/131398453/a414bfdd4757cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4503214/normal_6019d64d1c29d.pdfIn PDF document text
- https://cdn.sqhk.co/tasokuxu/eCidiix/music_player_audio_player_apk_pro.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487413/normal_605dbf68353de.pdfIn PDF document text
- http://dreamingdeveloper.com/what_is_the_healthiest_thing_to_eat_at_chick_fil_agiftw.pdfIn PDF document text
- http://byseles.xyz/sensation_and_perception_review_worksheet_answers5xn22.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367013/normal_600278a146666.pdfIn PDF document text
- https://cdn.sqhk.co/nosilaxuziz/nDficjd/superhero_ringtone_download.pdfIn PDF document text
- http://particuliers-societegenerale.xyz/duximitugokikorafidaxizoc0vrx.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423460/normal_5fd982d5a5bfb.pdfIn PDF document text
- http://meriline.store/legendary_sword_of_dragon_controlys209.pdfIn PDF document text
- https://xesefuwaruju.weebly.com/uploads/1/3/6/0/136088059/c46430950.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7e3242a3-ad54-4ae1-af08-4b3ed12b0d52/bubble_sheet_download_mdcat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1b2ebf8f-9e80-4ead-b6c9-a91624637199/trevor_noah_born_a_crime_quotes_about_language.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2468ff1b-f419-4c10-ac8d-1c0e35c29d18/taming_ofthe_shrew_katherina_and_petruchio_relationship.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e675751e-ae7d-42b4-a4b0-e1346dec104d/area_of_shaded_region_circle_worksheet_with_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_off0000fcfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCFB | 5428 bytes |
SHA-256: c13f0ec1f3f3c073376704946865667e30d405a8ed64244c9144d08171009f6e |
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font_01_sfnt_off00010f3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F3F | 11532 bytes |
SHA-256: 3990f5a32aa0b08986d983356a5729d1cb72d5d09db157c614ab5ff456a6d4c4 |
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