MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a phishing trojan. It contains a large number of embedded links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic to distribute malicious content. One critical heuristic indicates a link to known malicious redirector infrastructure.
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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://crophysi.ru/123?utm_term=deer+fursona+ref+sheet In PDF document text
- https://cdn.sqhk.co/liripudeb/dvp3H1m/dragon_quest_9_remake_2020.pdfIn PDF document text
- http://sitizinudex.getenjoyment.net/family_feud_rules_points.pdfIn PDF document text
- http://vukuradi.mygamesonline.org/troy_bilt_lawn_mower_belt_diagram.pdfIn PDF document text
- https://cdn.sqhk.co/molofagaji/eXjeNgd/telecharger_whatsapp_apk_derniere_version_2018.pdfIn PDF document text
- http://bagomebefekixob.getenjoyment.net/84534932538.pdfIn PDF document text
- https://cdn.sqhk.co/kavuluxaja/yzjjhfL/zejirabakitutevewed.pdfIn PDF document text
- https://cdn.sqhk.co/difakezil/eidM3Fh/risk_matrix_table.pdfIn PDF document text
- http://sewawena.scienceontheweb.net/71050831599.pdfIn PDF document text
- http://fizebiredasibi.mypressonline.com/what_happened_to_mary_rowlandson.pdfIn PDF document text
- https://cdn.sqhk.co/renosopezare/PrQgiTg/54472127405.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
- http://pujusojup.epizy.com/engineering_drawing_book_file.pdfIn PDF document text
- https://4be8a7ba-6c9a-47a4-99fc-a5961b41a404.filesusr.com/ugd/132250_1be45cc5d1184d4c90176d57cc030b37.pdf?index=trueIn PDF document text
- https://538d8494-0c7d-401a-b890-0485f6bc7bca.filesusr.com/ugd/29c71c_6357e6b5a7414a5080daf9d4ae5c3a0d.pdf?index=trueIn PDF document text
- https://c7972686-9310-4d97-8ac3-15e828887225.filesusr.com/ugd/8a419d_a1155583ba034d609017f75dc9b152e1.pdf?index=trueIn PDF document text
- http://kimovene.epizy.com/is_college_algebra_easy.pdfIn PDF document text
- https://305aa2e3-e1d2-413d-aa2e-f1bb83d03ded.filesusr.com/ugd/92ee2b_4100d6043d0c4272b2c9a8186eeec522.pdf?index=trueIn PDF document text
- http://dexadusoxeb.atwebpages.com/30628970019.pdfIn PDF document text
- https://bb74f61c-7045-47bf-9a7e-968101ee373e.filesusr.com/ugd/81ef4b_14c77e4ab5b74222b068e366e9498243.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c474.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC474 | 4656 bytes |
SHA-256: cb7202f41afe4c003ddb817fa46303d1f887fa375fb2e0a5a39648da36f631f7 |
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font_01_sfnt_off0000d436.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD436 | 10892 bytes |
SHA-256: 53c93bfa27987eccb2361664b97b61589af72d0f395c9c9bfd3ec2fa62ba9f67 |
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font_02_sfnt_off0000f988.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF988 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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