MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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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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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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://nipisod.ru/123?utm_term=como+blanquear+el+ano+de+forma+natural PDF link annotation
- https://cdn.sqhk.co/folikulezig/bTgjjhI/32624999675.pdfIn PDF document text
- https://cdn.sqhk.co/lebudawojafi/nihgfji/4x4_off_road_truck_parts.pdfIn PDF document text
- https://cdn.sqhk.co/rubalibuzodi/hf4hiic/razer_blackshark_v2_review.pdfIn PDF document text
- https://baluwakenina.weebly.com/uploads/1/3/1/4/131437578/9807993.pdfIn PDF document text
- https://cdn.sqhk.co/sexuzoropa/cvjfeia/pirate_attack_water_table_nz.pdfIn PDF document text
- https://cdn.sqhk.co/telazaje/dhjohhJ/kevepe.pdfIn PDF document text
- https://pekonupag.weebly.com/uploads/1/3/2/7/132741447/rinuluxaxuvedisox.pdfIn PDF document text
- https://cdn.sqhk.co/vabalogu/hdjhuph/fubofegakamaximosaxis.pdfIn PDF document text
- https://zoliparudoluja.weebly.com/uploads/1/3/4/6/134662317/5628342.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://03386fec-e341-46be-bf9f-2f2bd19f9bfe.filesusr.com/ugd/bf57b5_5a719f88843148849bffdb98859e2dd3.pdf?index=trueIn PDF document text
- https://238a82c5-85a8-4641-a991-2f0f5270ddc4.filesusr.com/ugd/63f22d_b4e165c8e3d944a6b7a7f9e3a26b5982.pdf?index=trueIn PDF document text
- https://6f0a1f77-3195-4c90-aae7-8e5805bb56bd.filesusr.com/ugd/f94fd0_09cd60a7e37f4925b965d505437f9c53.pdf?index=trueIn PDF document text
- https://d0a6b1b1-1773-4622-8b5e-0ab5990a7ed3.filesusr.com/ugd/b90ba1_a062194b150e4072876c5c63b0fcba70.pdf?index=trueIn PDF document text
- https://14da0a27-f261-4d4b-8668-3a369f5c966d.filesusr.com/ugd/46429b_118f4b8f06bf4ee7a8ae11a4bbc303b9.pdf?index=trueIn PDF document text
- https://1923692e-f727-4f58-80a8-3583160180e3.filesusr.com/ugd/c4ccc4_82e196cd9eab4d7fbdbabdab0a169431.pdf?index=trueIn PDF document text
- https://df256b98-640c-444d-885a-8195c7360722.filesusr.com/ugd/40b9e6_1f3ddd12de584aa09568fc5288dceae0.pdf?index=trueIn PDF document text
- https://033f1a72-e514-447f-b44b-9d234b37386c.filesusr.com/ugd/f05202_721337fb48cd4d88b10e7a55b1d9463d.pdf?index=trueIn PDF document text
- https://1c3640e8-3530-4541-943d-4aa84fe9b526.filesusr.com/ugd/3e0cb9_e38baf302f864eea86a6493d21aa6b22.pdf?index=trueIn PDF document text
- https://878ee1be-828d-48b9-a24a-84283cf66a1c.filesusr.com/ugd/86936c_08e5f184f9534a81a09c91ec0b47b2f3.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_off0000e665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE665 | 5044 bytes |
SHA-256: 936d55b17acab8c1c855208768df3be8f085f4a5d9fd8c79868f4744a2f3a905 |
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font_01_sfnt_off0000f76a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF76A | 11752 bytes |
SHA-256: 030d1bd55bc1bac6530bcaf5c3149e9e72679daad1522fc0a02c712a062154d9 |
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