MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and link farming, specifically pointing to a phishing lure related to a book review. The embedded URL `https://dafemum.ru/strik?utm_term=the+lightning+thief+book+review` is identified as a malicious redirector. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to redirect the user to a malicious site, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=the+lightning+thief+book+review In PDF document text
- https://static.s123-cdn-static.com/uploads/4470027/normal_5fca98e7196f9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4423148/normal_5feea05820eb5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393028/normal_5ffa12af0054c.pdfIn PDF document text
- https://wiraxupafetob.weebly.com/uploads/1/3/2/6/132696263/2793479.pdfIn PDF document text
- https://cdn.sqhk.co/nulegudup/ghhgjhs/extreme_car_driving_simulator_2.pdfIn PDF document text
- https://cdn.sqhk.co/tumupowe/LjdHcgg/lucky_draw_bingo_potranco.pdfIn PDF document text
- https://kusipujetaz.weebly.com/uploads/1/3/4/4/134462876/waxefapifow.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450156/normal_5fee6127af69f.pdfIn PDF document text
- https://cdn.sqhk.co/nowavutu/jbf5zhd/73106639418.pdfIn PDF document text
- https://varusimutajol.weebly.com/uploads/1/3/4/5/134502614/zabuv_kigoxaka_lopisoraxipo_jejadel.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471475/normal_5ff9f2fcee0d9.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/zerejibixupav/bidawisibexibesi.pdfIn PDF document text
- https://s3.amazonaws.com/vebenok/53481617943.pdfIn PDF document text
- https://s3.amazonaws.com/sedimeraxufi/vetejofalenuwuxevisudon.pdfIn PDF document text
- https://s3.amazonaws.com/tutasujal/53034912849.pdfIn PDF document text
- https://s3.amazonaws.com/poguvelefa/huffy_cranbrook_cruiser_bike_24.pdfIn PDF document text
- https://676a7a22-5bec-432e-92e0-9d4a0a27851c.filesusr.com/ugd/a1fb72_6258f7ebb49a446c9952d50856bb3925.pdf?index=trueIn PDF document text
- https://cc46d2ba-e7cf-42f8-aa62-b015a0c17ef0.filesusr.com/ugd/d180c3_3b2d0e6772294e7d9b54a493e9495032.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/radubozufiwo/gonogitawaxunomumifovo.pdfIn PDF document text
- https://s3.amazonaws.com/wudibirewuduto/marbury_vs_madison_established.pdfIn PDF document text
- https://s3.amazonaws.com/sepovutapakogaf/ableton_10_template_maschine_mk2.pdfIn PDF document text
- https://e108c0fa-8e70-4110-aab7-e0d30777705f.filesusr.com/ugd/d9966b_e0cd084f0234436b9d50eb274842c5ab.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_off0001047e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1047E | 4944 bytes |
SHA-256: 8b5f194a97879372ac08236223e08a12610d1d018d93a5b6f75ad19644546863 |
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font_01_sfnt_off00011568.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11568 | 12524 bytes |
SHA-256: 127de73cd983feccd42fd72b974613081a55429a70f02df6d52854f60835a928 |
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