MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The presence of a 'download' button lure and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicate a malicious intent to trick users into downloading further malware. The ML classifier also returned a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/123?utm_term=salary+voucher+format+excel PDF link annotation
- https://cdn-cms.f-static.net/uploads/4463788/normal_604a9f8e8af36.pdfIn PDF document text
- https://cdn.sqhk.co/nuvexajamu/hbjejfY/great_harvest_church_new_york.pdfIn PDF document text
- https://cdn.sqhk.co/xuwadezab/zjcXjd7/nudafewobe.pdfIn PDF document text
- https://cdn.sqhk.co/tuvameboroke/hdhhhhe/qr_droid_code_scanner_apk_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/lemusezilaz/OjdigYc/banozideroxowaxuler.pdfIn PDF document text
- https://vobodida.weebly.com/uploads/1/3/4/7/134716614/lenesebowuteva.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421639/normal_5fc97a57076d1.pdfIn PDF document text
- https://cdn.sqhk.co/xadeviro/fghcekL/piritebodulu.pdfIn PDF document text
- https://madonosole.weebly.com/uploads/1/3/4/5/134582414/3725016.pdfIn PDF document text
- https://cdn.sqhk.co/zipodumup/hbCvHnk/real_steel_toys_noisy_boy.pdfIn PDF document text
- https://baputopozim.weebly.com/uploads/1/3/5/3/135336161/d6cb33fafc7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380699/normal_60257fd393694.pdfIn PDF document text
- https://cdn.sqhk.co/sinemajud/WYgieji/borodimiwopiko.pdfIn PDF document text
- https://cdn.sqhk.co/lotivadafe/gjibjAL/us_park_police_statement.pdfIn PDF document text
- https://kunimagim.weebly.com/uploads/1/3/4/6/134608209/3192439.pdfIn PDF document text
- https://pesiwuveso.weebly.com/uploads/1/3/5/3/135392822/buzare.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376606/normal_5ff123a2f1f0b.pdfIn PDF document text
- https://cdn.sqhk.co/modonasuje/ghbie6T/bubble_birds_4_instructions.pdfIn PDF document text
- https://cdn.sqhk.co/libobivole/icLphcw/28267429225.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/6652a578-3d57-4564-a8c2-b5373710d5a1/36110551681.pdfIn PDF document text
- http://kobizesamow.rf.gd/warhammer_40k_8th_edition_rulebook.pdfIn PDF document text
- http://dowewuzosibu.epizy.com/31589815123.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/688b49a0-c4d1-490a-974b-0a22aef6a5e4/how_to_install_epson_perfection_v370_photo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0eed0711-ed27-451e-8491-70fba6dee658/how_to_replace_batteries_in_kwikset_smart_lock.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_off0000f0a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A5 | 5276 bytes |
SHA-256: 83ff388272b47a84a45106c208ca37c81c6666c3efced987bbac9f55889822cd |
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font_01_sfnt_off0001027f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027F | 10932 bytes |
SHA-256: 99d3fb21adf8e6fb77cb2fc78fb9da02544e4d62670dc6951add0abbc49a766b |
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