PDF malware analysis — malicious · d70b4964ab5af0b6

MALICIOUS

PDF

121.6 KB Created: 2021-03-15 02:13:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 949936cd152b5fa97d7d15a990f14c63 SHA-1: 7bb20a531c92942a9665d851149ac9dc325771df SHA-256: d70b4964ab5af0b66ae3c4220fadbd44fdb23142d8171c2864b4cc40eb305b5a

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 phishing or trojan payload. It contains an external URI pointing to a suspicious domain, likely intended to redirect the user to a malicious download. The document body, though heavily obfuscated, appears to be a lure related to medical conditions, suggesting a targeted phishing attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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/award?keyword=ehlers+danlos+syndrome+hypermobility+type+pdf
- http://tojumuwuluso.iblogger.org/free_christmas_comprehension_worksheets_ks2.pdf
- http://vedibekupuviru.iblogger.org/bosuvosapa.pdf
- https://static.s123-cdn-static.com/uploads/4369166/normal_5ff0e664b34e0.pdf
- https://torolanomopefi.weebly.com/uploads/1/3/0/7/130739669/3160949.pdf
- http://fupefabesosada.mygamesonline.org/daratumumab_bortezomib_and_dexamethasone_for_multiple_myeloma.pdf
- https://cdn-cms.f-static.net/uploads/4393755/normal_600b74e198616.pdf
- https://zikepasut.weebly.com/uploads/1/3/4/1/134108801/1520111.pdf
- https://cdn-cms.f-static.net/uploads/4495037/normal_601ac575e7507.pdf
- http://remivawoxowo.22web.org/jomurizufi.pdf
- http://sopisafexuj.sportsontheweb.net/how_old_is_rl_stine_now.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://xuvatifovefad.epizy.com/34704750338.pdf
- https://uploads.strikinglycdn.com/files/d5e75914-2af1-4f6b-81d1-75c90854abfc/mazutaxikazux.pdf
- http://xakexuxav.rf.gd/65987398279.pdf
- http://roxeruteruda.epizy.com/rubobuvudagi.pdf
- https://uploads.strikinglycdn.com/files/bb66a3ba-3648-4dea-9df3-f04ddf5c4df3/is_25_a_milestone.pdf
- http://bijexeb.rf.gd/81115115509.pdf
- https://uploads.strikinglycdn.com/files/57d3bd1e-2f96-4080-ba2c-bfb391ff9bcd/97260667820.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_off00019c34.bin` `f43e45bfa43857fbc4b60f7af1121fc88b73ff8b124de770863eb498116075ea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x19C34	5480 bytes
`font_01_sfnt_off0001aeb1.bin` `6e3098adbe8e0e380ba53167d0d8d8a9075974e859564ee077d5f3ad2c2180a5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1AEB1	12076 bytes

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