MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to disposable hosting, suggesting a link farm or phishing lure. The 'SE_CALLBACK_LURE' heuristic further supports a phishing or scam pretext, aiming to trick users into interacting with malicious links or content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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://midufefew.ru/award?keyword=principles+of+auditing+and+other+assurance+services+pdf+download PDF link annotation
- https://cdn.sqhk.co/pafatewodoju/gfOK9R1/94568149129.pdfIn PDF document text
- http://ledozikatiresev.scienceontheweb.net/19581994733.pdfIn PDF document text
- https://cdn.sqhk.co/xugufufifo/em4gcYa/thoracic_aortic_aneurysm_guidelines_2019.pdfIn PDF document text
- https://cdn.sqhk.co/fezavomol/ihibK7D/movie_premieres_2020_covid.pdfIn PDF document text
- http://mitimewigupito.mypressonline.com/sigotopa.pdfIn PDF document text
- http://thesimplycompleteseries.com/gojegewaxerowodi8mb9b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495039/normal_5fe3e5f027cd7.pdfIn PDF document text
- http://accueilcmb.com/plantronics_backbeat_go_810_wireless_noise_canceling_headphones_reviewi0fnm.pdfIn PDF document text
- http://gufutaca1.xyz/91955934254yi5yl.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404299/normal_6003b2d073927.pdfIn PDF document text
- http://am-sound.ru/13321177917n45o6.pdfIn PDF document text
- https://cdn.sqhk.co/riwajamugem/6r2yhfZ/39885868039.pdfIn PDF document text
- http://kataeta.club/gozunekoxivudowotivuvibe2fak.pdfIn PDF document text
- http://upsbox.ru/transformers_alternators_bumblebeepdj7q.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426085/normal_5fe77a5cc6c69.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374840/normal_604a61232079a.pdfIn PDF document text
- http://rixorevu.getenjoyment.net/basic_english_words_with_arabic_translation.pdfIn PDF document text
- http://copyright-supporthelp.com/wingstop_promo_code_2020_free_deliveryg62j0.pdfIn PDF document text
- http://centerbluebadge.com/supoxum17cxw.pdfIn PDF document text
- https://cdn.sqhk.co/retepisej/jeijjgN/10012963407.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425504/normal_602d76787d810.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pikarofuwab.epizy.com/65495562877.pdfIn PDF document text
- http://rubigireluj.rf.gd/curso_tecnico_de_caldeiraria.pdfIn PDF document text
- http://visafujub.epizy.com/what_is_structured_text_plc_programming.pdfIn PDF document text
- http://lojuvep.epizy.com/nejalonaref.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_off0000d8d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D0 | 5572 bytes |
SHA-256: c155c3e0df45638fa365f790e9a8fb9ea393734b0e1e77933aadc79d9af6f658 |
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font_01_sfnt_off0000ebca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBCA | 11176 bytes |
SHA-256: 6e75624d2ebf66a9a6b9b52d602006f994ebd47fa05a70a58d174e07546f4a2e |
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