MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics, including a critical alert for a malicious redirector link and a high-confidence ML classification. The embedded URL points to a known malicious redirector, suggesting an attempt to lead the user to a phishing or malware distribution site. The document body, though heavily obfuscated, contains text referencing 'Whatsapp messenger apk', likely a lure to entice clicks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://cctraff.ru/aws?utm_term=whatsapp+messenger+apk++apkpure
- https://cdn-cms.f-static.net/uploads/4374009/normal_5fabba4dcbf21.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/fa282842-191b-4fd2-a3ce-a51c7ab86f3d/pezebarosugok.pdf
- https://uploads.strikinglycdn.com/files/672a4da9-a3e5-4cf1-af43-dd84d33cfcdb/canon_pixma_mg5420_manual_online.pdf
- https://uploads.strikinglycdn.com/files/910cdf72-1cd7-4687-9527-61b30d879b5b/types_of_metal_alloys.pdf
- https://uploads.strikinglycdn.com/files/ad04b415-dd58-47bf-9faa-895ab1fd21fe/47850809818.pdf
- https://uploads.strikinglycdn.com/files/cf981a89-7400-42b2-af68-fa90cfe2db35/73739631487.pdf
- https://uploads.strikinglycdn.com/files/b6d3fce3-4cdd-4560-83fb-361c086f6676/ff7_android_apk.pdf
- https://s3.amazonaws.com/gedesisumi/77394906934.pdf
- https://uploads.strikinglycdn.com/files/fdc8285c-21d0-4cf8-8610-b946f9bd4f2c/5088693556.pdf
- https://s3.amazonaws.com/sasufufa/jarilenolunusaxitinowi.pdf
- https://s3.amazonaws.com/metubevozisul/cover_letter_for_finance_job.pdf
- https://s3.amazonaws.com/kosipefojaw/cablevision_remote_ur2-cbl-cv04_manual.pdf
- https://uploads.strikinglycdn.com/files/64777ba8-6f50-41df-9b75-52df9a806f09/36342529462.pdf
- https://uploads.strikinglycdn.com/files/bf5c8406-2266-4515-8466-37548b225411/dissidia_nt_datamine.pdf
- https://uploads.strikinglycdn.com/files/52a74cb4-0f1a-4a2a-8184-d63b003a7c32/kalenubilelinananoven.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bb62.binf7a46c33486bf64217ebfee33335eb55b66b5d76483fdda393e28edc3cbb879e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB62 | 5280 bytes |
font_01_sfnt_off0000cd3a.bina6d5dfbfffcf03847a18489eaed5b86a0790ea8f6752668d62b26d984a136b6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD3A | 10732 bytes |
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