PDF malware analysis — malicious · 9b713fe57c84b16c

MALICIOUS

PDF

69.2 KB Created: 2021-03-03 23:51:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b14be637776f71301d46c16f00165679 SHA-1: 1cd33bfa1670fe313e1252c4ae07f74c6cc95870 SHA-256: 9b713fe57c84b16c574d573a8964090e4883a13f535c09783ed709a413dc6dfc

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. Although no scripts were explicitly extracted, the presence of embedded URIs and the overall detection profile suggest an attempt to exploit the user through a malicious link, consistent with spearphishing tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://dafemum.ru/aws?utm_term=alex+rider+trailer
- https://fejuratomejavud.weebly.com/uploads/1/3/0/7/130776174/xupipusawi_balisiwogija_rowidimakipaj.pdf
- https://memezuwiz.weebly.com/uploads/1/3/4/7/134702577/8ab090f7845c.pdf
- https://nukivobiwej.weebly.com/uploads/1/3/4/0/134016752/turiteruvatajopite.pdf
- http://mokemowowove.mygamesonline.org/the_conference_of_the_birds_ransom_riggs_wiki.pdf
- https://cdn.sqhk.co/pafatewodoju/bihYlgj/vekutaruvomup.pdf
- https://dutajidadu.weebly.com/uploads/1/3/4/7/134730474/larizijutenosis_tudexopididuz_ziwasof_vesugi.pdf
- https://toroxamaje.weebly.com/uploads/1/3/4/0/134017611/fodoja_pazufedowi.pdf
- https://bitojobuf.weebly.com/uploads/1/3/4/8/134892495/ee88acd1d3269a.pdf
- http://xofajenakimexo.iblogger.org/kilimobifeguxale.pdf
- https://xavapijiwo.weebly.com/uploads/1/3/3/9/133997403/gajozemikosuber_puwaxo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/feliso/56550241437.pdf
- http://kegunujav.epizy.com/animation_delay_android.pdf
- https://s3.amazonaws.com/faluzotixupi/premiere_pro_free_download_2020_mac.pdf
- http://dorowoz.rf.gd/2185338620.pdf
- http://pulutugorivexek.atwebpages.com/piforadukajegewijibe.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_off0000d3cd.bin` `45f71d12adbb5489a063ac143a20b68deea1dc2c44b7f012fcc30eb9e8125ba9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD3CD	4696 bytes
`font_01_sfnt_off0000e3d5.bin` `08f1ff417cff2526d038c6b7ed4ab992f8d2e616195d8a22e3434c7abbf660a7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE3D5	10564 bytes

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