MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to domains associated with SEO link farms and redirectors, indicating a phishing or malware distribution attempt. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK strongly suggest this malicious intent. The embedded URLs, such as https://xajibur.ru/award?keyword=algebra+solving+equations+pdf, are likely part of this scheme to direct users to malicious content. Although no scripts were explicitly extracted, the nature of the PDF and its links points towards a common tactic of luring users to malicious sites.
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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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://xajibur.ru/award?keyword=algebra+solving+equations+pdf PDF link annotation
- http://konsalting.info/96197818039gisr9.pdfIn PDF document text
- http://antonioita.fun/how_to_make_thesis_statement_exampleohmav.pdfIn PDF document text
- http://goldstein.berlin/jepozotugofqbyu7.pdfIn PDF document text
- http://padlamadla.site/bloodline_ariana_grande_sheet_music6cwr4.pdfIn PDF document text
- http://bestpriceforukraine.xyz/5757880492c9bd0.pdfIn PDF document text
- http://ru-dev.xyz/litukuwavomabenazujepis6zz10.pdfIn PDF document text
- https://pevarigemi.weebly.com/uploads/1/3/5/3/135303959/gekuzag.pdfIn PDF document text
- https://wadewasugidaf.weebly.com/uploads/1/3/0/7/130775384/tazawugepon.pdfIn PDF document text
- https://latapelubatute.weebly.com/uploads/1/3/5/9/135960370/zimigogurin.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/faduxodiwo/48233207785.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c0e290a-cba6-4fa4-a16b-905db60fed70/db2_error_errorcode-4499_sqlstate58009.pdfIn PDF document text
- https://s3.amazonaws.com/paropabaru/fidijokamokoduxisejuxasa.pdfIn PDF document text
- https://s3.amazonaws.com/zolerazowubow/zupulubetifigopawomawe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d458111d-468e-42b5-989b-7d715e9deae4/42482602322.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc8544ad-319b-4b77-b3c3-bcf579c27ebc/99865784751.pdfIn PDF document text
- https://s3.amazonaws.com/wanasuvedigo/wuxenakolinaponufinewa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53aba81d-c4d6-47ee-ab57-7027d0439678/how_to_pair_motorola_h720_bluetooth_headset.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f0d3c364-a45e-44f0-9ae7-61902052cfcc/jepuxapitekugijutijab.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c3c87e7-5c00-48e4-b00c-b4adc1b80d7f/can_you_use_xbox_360_controller_on_xbox_one_s.pdfIn PDF document text
- https://s3.amazonaws.com/warapagefasovi/howrah_bridge_movie_free.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_off0000eb28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB28 | 5524 bytes |
SHA-256: e531794cf4ed8af1eddeaa30d6bf37c159b45a556c5eca7d2e9fa3332d3f05b3 |
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font_01_sfnt_off0000fdfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDFB | 11064 bytes |
SHA-256: e1d5e0801556bd2e6199b5a180b7675108b541a4790179e09f15c420198fda2a |
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