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 URLs, suggesting a link farm or phishing attempt. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' strongly indicate this malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are sufficient to classify this as a phishing lure, likely delivered as a spearphishing attachment.
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://druttle.ru/wix?keyword=harry+potter+4+pdf+archive PDF link annotation
- https://static.s123-cdn-static.com/uploads/4378153/normal_6006d40117149.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4463308/normal_5ff781f287a9f.pdfIn PDF document text
- http://soldonlakewood.com/features_of_a_newspaper_worksheetljawf.pdfIn PDF document text
- https://cdn.sqhk.co/risenulowo/fUwsjjR/63870949772.pdfIn PDF document text
- http://greenbike.shop/cdc_handwashing_guidelines_2018ip0db.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486190/normal_60098199defb4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476133/normal_600eecc2a9d43.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471095/normal_6008b83a57b39.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456687/normal_5fc8adabefbf3.pdfIn PDF document text
- http://asia.kiwi/nodulo_de_parotidanobqp.pdfIn PDF document text
- https://dojunulopifo.weebly.com/uploads/1/3/4/4/134445836/1475282.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377109/normal_5fe671b08a87a.pdfIn PDF document text
- https://cdn.sqhk.co/tatidukigag/2mqgehc/image_editor_mac_default.pdfIn PDF document text
- https://cdn.sqhk.co/xivomojuf/hygdZgc/4_pic_1_word_5_letters_fire.pdfIn PDF document text
- https://kolofajek.weebly.com/uploads/1/3/0/9/130969684/lusugorixuxu.pdfIn PDF document text
- http://com-signto6.xyz/89822451813mhrz2.pdfIn PDF document text
- https://cdn.sqhk.co/bogovureg/eyOjhgd/zombie_mob_sniper_3d_apk_download.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473642/normal_5fe105ae35088.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xigilozixorod.epizy.com/data_retention_policy_template_gdpr.pdfIn PDF document text
- http://watosoxugulufi.epizy.com/capitalism_free_full_game.pdfIn PDF document text
- http://xilagerezob.epizy.com/wedding_invitation_cards_templates.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_off0000de9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE9A | 5244 bytes |
SHA-256: c33a8d87b6a5d4a72ed757d9b13060e3bbd3dea224bc9b01cdfaa58d3f88c23e |
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font_01_sfnt_off0000f084.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF084 | 10508 bytes |
SHA-256: 2a6a9193a5060f2b665dd3f60d782c8c519bf664b90429828c9a870f4b8137ac |
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