MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains text suggesting a lure for a "birthday surprise download". The embedded URI points to a suspicious domain, likely serving as a download source for a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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://trafffi.ru/123?utm_term=fatty+bear%2527s+birthday+surprise+download+windows+7
- https://cdn-cms.f-static.net/uploads/4368777/normal_5f9cb657ccb6f.pdf
- https://cdn.sqhk.co/vizoxaxijojo/Zoicjd1/5249417035.pdf
- https://cdn-cms.f-static.net/uploads/4403119/normal_5f9dbe4e9a597.pdf
- https://cdn-cms.f-static.net/uploads/4375076/normal_5fb86636219f8.pdf
- https://cdn.sqhk.co/vixukose/gih4KCu/airport_city_promo_codes_2020.pdf
- https://site-1174657.mozfiles.com/files/1174657/91460461199.pdf
- https://cdn.sqhk.co/rodesedaded/Mifgcih/tezogizomizonetuda.pdf
- https://site-1084247.mozfiles.com/files/1084247/54003736889.pdf
- https://cdn.sqhk.co/bumigorawi/7jehdMv/blossom_blast_saga_mod_apk_unlimited_boosters.pdf
- https://cdn-cms.f-static.net/uploads/4491164/normal_5fd96ddb0c802.pdf
- https://cdn-cms.f-static.net/uploads/4386622/normal_5f9b695f9d697.pdf
- https://static.s123-cdn-static.com/uploads/4379601/normal_5fde7593ac73f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/dinilederu/ginorepopizupirelogexubad.pdf
- https://s3.amazonaws.com/julexekubaj/lego_dimensions_collectible_guide.pdf
- https://s3.amazonaws.com/jenisozazewubo/canadian_immigration_eta_form.pdf
- https://s3.amazonaws.com/befarekogol/60497530654.pdf
- https://s3.amazonaws.com/gagagakigibapo/bitif.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e39d.bin1b09c718971f17c75d3f21f37895d440fd45f2e2cea85320b4973057e55ab38e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE39D | 5332 bytes |
font_01_sfnt_off0000f5d3.bin9db8434aaca7c6694e09df0e2d411a738da9ae685440cf7f33fc7f51fd880456 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D3 | 11060 bytes |
font_02_sfnt_off00011b31.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B31 | 4324 bytes |
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