MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external URIs, many pointing to disposable hosting, suggesting a link farm designed to redirect users. The document body, though heavily obfuscated, contains keywords related to downloading PDF writers, likely a lure to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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/award?keyword=acrobat+pdf+writer+download+free PDF link annotation
- https://static.s123-cdn-static.com/uploads/4369640/normal_6004567c9223c.pdfIn PDF document text
- https://vogovolakufa.weebly.com/uploads/1/3/4/8/134874318/b2dd1ef23.pdfIn PDF document text
- https://werakemil.weebly.com/uploads/1/3/5/9/135973214/63589a44c436f1.pdfIn PDF document text
- https://kufudazasa.weebly.com/uploads/1/3/4/6/134626120/gajafajexogedosuk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422372/normal_5fcc02f2ca304.pdfIn PDF document text
- https://cdn.sqhk.co/purizepore/hjijhja/alkahraba_fixed_bill.pdfIn PDF document text
- https://sedawuxel.weebly.com/uploads/1/3/5/3/135326539/sanojezolokarov-jojorofikabaje.pdfIn PDF document text
- http://igcopyrightclient.com/tadegalunotuzijaparegulivqsubs.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426558/normal_602ba88c0b833.pdfIn PDF document text
- https://nupureforisuro.weebly.com/uploads/1/3/4/3/134353583/6a2e575.pdfIn PDF document text
- http://workbykoder.xyz/merodawijisivopawfhp3w.pdfIn PDF document text
- https://cdn.sqhk.co/buzulexoxuve/jjjkthd/20849227867.pdfIn PDF document text
- http://winoraama.space/flammable_cabinet_regulationsdcd4g.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zoromexemuzid/how_to_use_onenote_effectively.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c16f0e59-14ea-4c92-ac6f-85e35c3fa0a6/sodulazamiwega.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5eab00cb-15c1-4efa-a62b-43585e740f9f/grohe_kitchen_faucets_installation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/21fc5565-dea1-4655-8483-181e25ae126f/7966913332.pdfIn PDF document text
- https://s3.amazonaws.com/tasufagijaremo/adobe_animate_size.pdfIn PDF document text
- https://s3.amazonaws.com/bededuxotulapil/interest_groups_icivics_answers_the_potato_problem.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e33c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE33C | 5236 bytes |
SHA-256: 87d1599e4a9317cf9e03835c4be478facab5f796f90df3d7b5602c53d8fef45e |
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font_01_sfnt_off0000f5a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A5 | 5192 bytes |
SHA-256: f490a802fa2e24f82477881587d8fff89f402b33d531eb054afe7f5cd992e5ef |
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font_02_sfnt_off00010772.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10772 | 10136 bytes |
SHA-256: c7fdda750db3560e8a5ea9ff59e5905f092cfa68bad7938286589c8b17214cfd |
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font_03_sfnt_off00012a72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A72 | 16488 bytes |
SHA-256: 1d240a0535f2140f7c954fae970985d54487e451ba4ee00a2f6f8a8e98c285da |
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