PDF malware analysis — malicious · f1a1aaa944d0a247

MALICIOUS

PDF

73.6 KB Created: 2021-02-27 19:03:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 29639a67cf9999dcf4f4731d895f4f0b SHA-1: 731d79ef39708bc2cbf0bcb03de68dc2955c9cfb SHA-256: f1a1aaa944d0a2477504ca295153697f2d6d2ea01acc12929fcf4b43c2bacd0a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://jumiwimov.ru/123?utm_term=what+is+an+example+of+an+allusion+in+to+kill+a+mockingbird PDF link annotation
- http://rajukilodagoje.mygamesonline.org/iso_31000_2018_descargar.pdfIn PDF document text
- http://wifunagidoli.mypressonline.com/jovifulozivorav.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369659/normal_5feba97f974fa.pdfIn PDF document text
- https://cdn.sqhk.co/takularozo/eiceiiM/83077037225.pdfIn PDF document text
- https://cdn.sqhk.co/xidosisew/Vgdghhd/joker_wallpaper_iphone_6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476146/normal_5ff595ef87f07.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365652/normal_5fe398bdc9b72.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/suxuzubojut/eragon_book_5_news.pdfIn PDF document text
- http://molagegivijoxu.onlinewebshop.net/vuvomomalez.pdfIn PDF document text
- https://s3.amazonaws.com/vizegemawokaxe/linux_android_emulator_kvm.pdfIn PDF document text
- https://s3.amazonaws.com/zazelujeju/sizedulavugolisojor.pdfIn PDF document text
- https://s3.amazonaws.com/doxifuba/aranesp_davis_drug_guide.pdfIn PDF document text
- https://s3.amazonaws.com/bejideba/75341394753.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_off0000e16a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE16A	5856 bytes
SHA-256: `045f27f82d41c4db62bde4e71650110863e061c6fe7a850175cd145f4e81999d`
`font_01_sfnt_off0000f53d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF53D	10516 bytes
SHA-256: `e3fdb69da8ebd060df93613132a66d90dc26a471a4610db5d41a11f55012aed6`

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