MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a high number of external links, many pointing to SEO-optimized content, and includes a redirector URL. This suggests a link farm or phishing attempt designed to drive traffic to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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/strik?utm_term=alice+walker+everyday+use+literary+analysis PDF link annotation
- https://fobijolosa.weebly.com/uploads/1/3/4/7/134730704/fuzivarutejotadijuni.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446275/normal_5fef7a70e5c0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489415/normal_5fd1a2416874a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417523/normal_60164d30db134.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460446/normal_606c825f597be.pdfIn PDF document text
- https://rakevuxex.weebly.com/uploads/1/3/4/0/134040666/7611046.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417652/normal_5fd8818b4dc6b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446378/normal_606cc1868c7e3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494166/normal_605fdb2d6caaa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379237/normal_602bb0a20f036.pdfIn PDF document text
- https://xalonekeroritaw.weebly.com/uploads/1/3/5/3/135329664/8473727.pdfIn PDF document text
- https://vuvonuzomuvi.weebly.com/uploads/1/3/4/5/134508102/jebakiwekejaleroz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501996/normal_5ff20fe28e558.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413454/normal_6035af426ca05.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/rilexazejuzovep/past_simple_form_exercises.pdfIn PDF document text
- https://s3.amazonaws.com/sezebepit/lsba_report_card.pdfIn PDF document text
- https://s3.amazonaws.com/fumiposamisur/curriculum_guide_in_mathematics_grade_1.pdfIn PDF document text
- https://13cfbe10-32e4-4d7a-9072-8dbd3280e6b8.filesusr.com/ugd/994e9e_13bafc78820e4a3c82da23a580b30ef5.pdf?index=trueIn PDF document text
- https://9005981c-20a7-4b93-9dfe-a591c0bc6fcf.filesusr.com/ugd/afbba5_2bc184c744364d64b286d4574a6ebbb2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pewibim/76243984574.pdfIn PDF document text
- https://ef4b221f-cfb4-47e8-bf1d-3b5092770df7.filesusr.com/ugd/4948da_172de5b2033347f3a19ffe5b81ab8e03.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bubeto/annelids_mod_apk_1._113._11.pdfIn PDF document text
- https://b0b89e74-75d6-43b0-bb8f-fa2cd9bd5f5b.filesusr.com/ugd/b5ae3e_08514b8f904e4571bb8a29e57a79d35d.pdf?index=trueIn PDF document text
- https://fa53e508-d88d-41cb-897c-7a5b6f1bfcc3.filesusr.com/ugd/361045_37f375383e81431abbbca2eea52f7831.pdf?index=trueIn 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_off0000f9c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C3 | 5240 bytes |
SHA-256: 0be877a6357705b3a8ffd6fbfa8c94b9bacd2dad1b9248faa8985e358e6ad0ce |
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font_01_sfnt_off00010bc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC5 | 10568 bytes |
SHA-256: a0df494fc13b65e790ef871af013cd7f26aecb4358a7d12860c0aa6d1813890a |
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