MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded URLs, many pointing to disposable domains and identified as part of a link farm. ClamAV detection and ML classification strongly indicate malicious intent, likely for phishing or distributing further malware. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, suggesting it was generated programmatically to serve as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://maypoin.ru/wix?keyword=capt+116+answers PDF link annotation
- https://static.s123-cdn-static.com/uploads/4486523/normal_5ff8b9834f381.pdfIn PDF document text
- https://regasefes.weebly.com/uploads/1/3/1/8/131871592/997851.pdfIn PDF document text
- http://kidufamipowanot.mywebcommunity.org/free_subject_and_predicate_worksheets_for_3rd_grade.pdfIn PDF document text
- http://teasmall.space/fhm_magazine_subscription_philippinesgvgrw.pdfIn PDF document text
- http://cookwellbakewell.com/pemenowabukabadevofjyy3.pdfIn PDF document text
- http://4gusevshop.website/loxulodinixkah7.pdfIn PDF document text
- http://sowipilarow.mygamesonline.org/3863598496.pdfIn PDF document text
- https://jubiporosevuzu.weebly.com/uploads/1/3/2/6/132695682/80dfcb5a98afc1.pdfIn PDF document text
- http://kiritisivasol.mywebcommunity.org/devefasetekiwuxivetuloxod.pdfIn PDF document text
- https://wajigigo.weebly.com/uploads/1/3/4/5/134588105/4501078.pdfIn PDF document text
- https://wukelefitifaka.weebly.com/uploads/1/3/4/8/134882985/mizagigarulugu.pdfIn PDF document text
- https://zugasunisozabij.weebly.com/uploads/1/3/4/7/134759734/mitoronir_xojidojag_ripufaf_fijam.pdfIn PDF document text
- http://figejewumoposes.getenjoyment.net/43796605118.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367952/normal_5fda40590151b.pdfIn PDF document text
- http://normab-id.com/dalinadogilpg4ak.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/jeduzizonox/cygnus_and_the_sea_monsters.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26df368e-4da8-4d25-a891-0bb75ab3d6c6/5951611977.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9712105-bdda-4d6b-b52f-eaf571e43d90/how_do_i_change_my_exergen_thermometer_to_fahrenheit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a6f661b-d7c2-42ed-8830-6fbc85398312/catch_him_and_keep_him_audiobook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75c65d9e-2bec-4f44-82cb-502572cb4b35/2236192184.pdfIn PDF document text
- https://s3.amazonaws.com/rekorewexidiwo/calendario_biodinamico_2018_brasil.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_off00013131.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13131 | 4984 bytes |
SHA-256: 9c5a1cb4c0637f4cbf663911c440e4fff4ce08f9971a33fb9953f02a61385dcd |
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font_01_sfnt_off0001424a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1424A | 11264 bytes |
SHA-256: 9a64366b3a09332946e2e4a4a355e679a0d419bb1dd9363be615d6af800090fb |
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