MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to disposable hosting or known malicious redirectors, indicating a link farm designed to distribute malicious content. The heuristic firings and ClamAV detection strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware delivery. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of malicious intent.
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://yafferge.ru/strik?utm_term=metric+conversion+problems+worksheet+with+answers+pdf In PDF document text
- https://batagokefo.weebly.com/uploads/1/3/1/0/131070859/pifufit_watet_nanewibopudap.pdfIn PDF document text
- https://wavidamos.weebly.com/uploads/1/3/4/3/134316051/zaratotiveg.pdfIn PDF document text
- https://cdn.sqhk.co/vizinifum/oZ447ig/pocket_city_review.pdfIn PDF document text
- https://cdn.sqhk.co/dokederajo/F6ij6jd/global_citizen_definition_united_nations.pdfIn PDF document text
- https://cdn.sqhk.co/tixukiko/612gdij/90809707464.pdfIn PDF document text
- https://cdn.sqhk.co/rowunozimop/fzIaTOX/eve_echoes_ship_fitting_tool.pdfIn PDF document text
- https://cdn.sqhk.co/wirowanorax/hIWhahc/fantasy_football_tableau_dashboard.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8a7e94d2-1b07-4399-8a7b-cfebf1eb419e.filesusr.com/ugd/e78b77_3e093e77701b4e5a9cb32abf58a0e466.pdf?index=trueIn PDF document text
- https://34886cf3-15ed-44db-93e8-8979dc7c4cd7.filesusr.com/ugd/ea2c45_4294895cd73240349b2386f535f0a42d.pdf?index=trueIn PDF document text
- https://f1ddcea9-c323-452c-a4d3-aaefec61e50a.filesusr.com/ugd/defd8a_a3825cfefc604bfea9c98e8d0e603ce9.pdf?index=trueIn PDF document text
- https://992bddda-184d-467f-a815-0165b41a2208.filesusr.com/ugd/69695d_f6c80ce8d3554fd4bb86c1728f959b0e.pdf?index=trueIn PDF document text
- https://9d76d0c6-5807-43ac-a2ba-7b4112d1a20a.filesusr.com/ugd/5cd33b_954f908e2bc749c7a99b18153513fa38.pdf?index=trueIn PDF document text
- https://8c56b32b-3398-45d6-9c0b-b55146621f16.filesusr.com/ugd/6924eb_3c8ae99ede694a2fa9681540b3ed2561.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b77f80c9-794d-4fbe-a18f-9aa866762d7d/star_wars_thrawn_alliances.pdfIn PDF document text
- https://3485775d-af35-4505-8fb4-f6750f575e04.filesusr.com/ugd/42f18e_5b79689b1c1d4e74ac43a7d847a4531b.pdf?index=trueIn PDF document text
- https://71bfc0c6-4bef-405a-aee6-9e9dcaab3d12.filesusr.com/ugd/708cfd_30b18daa81524b19884529dcba4dad02.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/57d06063-ea9a-4eb4-bb12-bbec51253de9/how_to_calculate_unguaranteed_residual_value.pdfIn PDF document text
- https://2a983b51-2e13-4971-8c1f-a5bca3ab4353.filesusr.com/ugd/e1a791_31640c070e7b4a0283d52bf3a5186186.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_off0000d998.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD998 | 5756 bytes |
SHA-256: 2bc0c761c862c34ac2447b975b8eefc167256e5d8f1cbd2ba6b59705f6b9370f |
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font_01_sfnt_off0000ed28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED28 | 10160 bytes |
SHA-256: 9a786b4a8eff5802d38f61fa54a0eef96f405a9fe326a796adaa624525c0d718 |
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