MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to SEO-optimized PDF files, a common tactic for link farms and phishing lures. One prominent URL, 'https://nipisod.ru/123?utm_term=bejeweled+free+for+pc', is identified as a redirector, suggesting it leads to the actual malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nipisod.ru/123?utm_term=bejeweled+free+for+pc PDF link annotation
- https://s3.amazonaws.com/masevewi/multivariate_data_analysis_with_readings.pdfIn PDF document text
- https://s3.amazonaws.com/lowebemuwojiso/avanza_veloz_2014_manual_surabaya.pdfIn PDF document text
- https://vudaxevagi.weebly.com/uploads/1/3/4/2/134234865/b874e2c1fd2.pdfIn PDF document text
- https://s3.amazonaws.com/pusixa/lumexesemudotewagupar.pdfIn PDF document text
- http://rajajime.mypressonline.com/30235333370.pdfIn PDF document text
- https://s3.amazonaws.com/posaxugidut/zonaximemewemaxawefew.pdfIn PDF document text
- https://cdn.sqhk.co/gopepilexafi/cibxmmV/background_video_from_website.pdfIn PDF document text
- https://cdn.sqhk.co/tidilotofuka/ge2Pzig/72224835376.pdfIn PDF document text
- https://cdn.sqhk.co/bevoroxur/bBjcUdS/shudder_app_on_samsung_tv.pdfIn PDF document text
- https://s3.amazonaws.com/dazuxujepov/series_and_parallel_circuits_worksheet_grade_4.pdfIn PDF document text
- https://s3.amazonaws.com/dibedamoka/delonghi_ec702_user_manual.pdfIn PDF document text
- http://wajofima.mywebcommunity.org/awakening_lucifer_asenath_mason.pdfIn PDF document text
- https://s3.amazonaws.com/zosevid/4768031588.pdfIn PDF document text
- https://cdn.sqhk.co/sezivalaw/bijjjjJ/23143909562.pdfIn PDF document text
- https://s3.amazonaws.com/rurosaveruk/hp_photosmart_7760_cartridge_error.pdfIn PDF document text
- http://fakutuzogazu.sportsontheweb.net/ace_test_series_electrical.pdfIn PDF document text
- https://supadebev.weebly.com/uploads/1/3/2/7/132712355/xivemoviga.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/8b4015d7-63e9-4c64-a23a-7ac09995a87b/xibezalukexifug.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c73731cc-6375-46ab-afbf-3e4ddb0044a5/scary_stories_to_tell_in_the_dark_all_artwork.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0863ce2b-6616-4ab5-a756-cd5cbe8a2b37/sonexezumopaketabawesasiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/348d19e8-736b-496f-a42b-fb63c7805352/sig_sauer_p238_pocket_carry.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_off0000e7f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F4 | 4980 bytes |
SHA-256: bd919087c9012e85bf1bca796240ff165f725a180171731e7223359ea3f5efdb |
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font_01_sfnt_off0000f910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF910 | 10920 bytes |
SHA-256: 25e6d6274685699bc2c9b0a8fcc59f0441f3c6a77dd8f2d8574b3983a91b4625 |
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