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 0.9997
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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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://resalured.ru/wix?keyword=applied+statistics+study+guide PDF link annotation
- https://static.s123-cdn-static.com/uploads/4376609/normal_5fee21b689b06.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365608/normal_5fdc52fc33c99.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473938/normal_5fd07924be71c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e14ba8d5-0a8d-4ef3-80b4-ea76d298b7fa/fixutowemupajegata.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6cf1bf75-e90f-486c-a0cd-3aff4333ed31/gojolijex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1a2958e6-fdf0-4219-8172-cc5f6dbac33b/26711405624.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7419bfd1-a065-4a24-bb28-404c3264f75f/xixoragib.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8cd0820-649d-47d9-99ff-9eddc31bc8ef/xerox_workcentre_7845_price_in_india.pdfIn PDF document text
- https://1f2f8e77-98df-4c5e-b88a-83bc2b612b58.filesusr.com/ugd/5c7528_fcd41ec18ea344ba93191f3f7742dc8a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1b8dd8b4-7520-4a3f-b5bb-5559c37af3ca/55490329982.pdfIn PDF document text
- https://5ac9d038-517d-4536-97f6-676423289421.filesusr.com/ugd/b444d4_ac3e2c2fbb6144099460fbef95417ad6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c51b2638-a358-4678-9a05-850925eb9896/39035031051.pdfIn PDF document text
- https://2b4b9a66-705d-4e40-a31d-28d4db190467.filesusr.com/ugd/1dbb98_2a09b576693a4b908149cc6f55b9c140.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6d0bbbe1-0c9c-47bb-a46b-6dd389d2bebb/58974620217.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af4ec787-6d46-4f26-ac10-2b0dd1deefa2/18132542112.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ddfe720a-48dc-4749-aa73-f4e52c12538d/todubuw.pdfIn PDF document text
- https://354df738-7a8c-4643-bdcd-aa58f7c4bd0c.filesusr.com/ugd/69cf62_fe083fbebddb4fff9088189f276be976.pdf?index=trueIn PDF document text
- https://959e49da-b405-4961-97d4-5c1bb2e9a628.filesusr.com/ugd/ab0441_95e1e3ae9a6e4778b5a72e194dae426b.pdf?index=trueIn PDF document text
- https://fe2b84af-b373-48e0-a714-f820169e3fe9.filesusr.com/ugd/ed1d2e_c88e73c51b4f4260abaa4f15cb8c08b1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b5b7e337-8f62-41f1-a24e-c0fc9452acea/lijasarosetu.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_off0000e5c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C3 | 5236 bytes |
SHA-256: 5531b97e6b20dfabf091676c037f3bad309db1935904e580b3c262e9a187f9e7 |
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font_01_sfnt_off0000f7b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B1 | 14556 bytes |
SHA-256: c85c64d0846f807acbe6b6822d08afb9bc8dc0ad8474378b820d8250642a10f4 |
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