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 a link farm designed for SEO manipulation. One prominent URL, 'https://midufefew.ru/123?utm_term=goodyear+fortera+hl+review+consumer+reports', is identified as a redirector, likely leading to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://midufefew.ru/123?utm_term=goodyear+fortera+hl+review+consumer+reports PDF link annotation
- https://lakiregatu.weebly.com/uploads/1/3/4/5/134589313/xidulexewev.pdfIn PDF document text
- https://bemaxeviliw.weebly.com/uploads/1/3/4/4/134482954/jotewema-tarufe-xebefidedudalef-rufen.pdfIn PDF document text
- https://mawanegofarate.weebly.com/uploads/1/3/4/4/134466522/85499b3d7da98.pdfIn PDF document text
- https://joluduloj.weebly.com/uploads/1/3/4/2/134266967/toxuwidumuwel.pdfIn PDF document text
- https://bikizulotozenap.weebly.com/uploads/1/3/1/8/131860645/bogexoso.pdfIn PDF document text
- https://majizozu.weebly.com/uploads/1/3/4/5/134598595/puteverumekuru.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/41831fd0-9808-443b-8de5-6d50b0fad2e3/excel_vba_arraylist_add_object.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61f1ab6f-5fa4-4f87-8463-2bb4203e09fc/korean_grammar_checker_naver.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d505124-96b5-4acf-a808-86e8e00be59e/troy_bilt_horse_mower_parts_diagram.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ec668ec-a940-4cc1-8cad-9d884687026e/how_to_remove_thermostat_cover_to_replace_battery.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/387c366d-6291-4792-95b2-94a7bf160ae5/46980569388.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0387579-9741-4123-8e13-371991119a9e/sewideki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/faa2b7ae-917d-4058-b3b9-c8cee5f69c90/kajusumisifuni.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d3bae915-76d1-46bb-a0c8-1f923c4a6eed/mejores_frases_del_libro_el_amor_en_los_tiempos_del_colera.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/461587a0-ee13-4ab0-aad1-be283139c184/zonosopatipa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4d9ca0d-2b8c-49fa-b70d-9ad0f6721f8b/mejisaxulotuvajejik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c015cd5a-41e2-4914-bc97-709ab6b85f5e/henderson_county_nc_detention_center_mugshots.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f2d4d5e-7ed3-479b-b34b-6707b444cfb4/addictive_drums_2_2.1.9_mac.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/efdfa4cf-03a4-46a0-b3bf-0e8e8d835e39/little_alchemy_unblocked.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF55 | 5564 bytes |
SHA-256: 96125c8e32e7f3a46db1b32bd48bbf012626cec7dcad3a70c09b146ed5f57102 |
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font_01_sfnt_off0000e237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE237 | 10136 bytes |
SHA-256: 21570b94e21055a244a5b19218ad0583eca8cf182f9543b16086674d5428150b |
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font_02_sfnt_off000104de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DE | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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