PDF malware analysis — malicious · 0f6a8bb37cd6585d

MALICIOUS

PDF

65.0 KB Created: 2020-12-31 03:39:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27

MD5: a9bbd95afb45b627d287d291a4a71d15 SHA-1: d5b20147e752cad2cfa7d7de1ffe8ee73d888086 SHA-256: 0f6a8bb37cd6585d1dca385f19594286a660a6e86d76be963f88f0573cf6b94d

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 embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, contains text related to 'Servsafe manager 6th edition book', suggesting a lure to entice clicks on the embedded link.

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://trafficel.ru/123?utm_term=servsafe+manager+6th+edition+book PDF link annotation
- https://cdn.sqhk.co/pimidima/pjeNicu/redcon1_gym_bag.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470231/normal_5fea03d0dbbf2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424951/normal_5fdc0a09a99d8.pdfIn PDF document text
- https://cdn.sqhk.co/sovokeduseb/aD9jcgh/cafe_racer_seat_frame_hoop_loop.pdfIn PDF document text
- https://cdn.sqhk.co/pufowuvikij/rhisWkQ/18290505947.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388421/normal_5f906ea32ad16.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409257/normal_5f9b414f0410e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475866/normal_5fe3934d545e7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/bf609e49-a24d-459e-8c4e-5c322d188aea/87191547489.pdfIn PDF document text
- https://s3.amazonaws.com/vasofirida/icicle_sunglasses_warranty.pdfIn PDF document text
- https://s3.amazonaws.com/jarirotexab/lpic-_1_study_guide_2017.pdfIn PDF document text
- https://s3.amazonaws.com/nodetuxapabara/rerip.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_off0000be45.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBE45	5812 bytes
SHA-256: `35549b46d34753d86429bb7db69b24a093fa888a4e9404bf5382fa0a3b020155`
`font_01_sfnt_off0000d1ea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD1EA	10776 bytes
SHA-256: `2d07113e8c21bb0aa78eda7357c9c35131a63a8cb177dcf779c47ccd197a88fb`

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