PDF malware analysis — malicious · 1d7e193683ac8f25

MALICIOUS

PDF

63.8 KB Created: 2020-12-22 17:56:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 98ee2c3869aaba920d4602f05cc2e74b SHA-1: d19b870c7a7b0db77395e5caf21c89e5f1e62820 SHA-256: 1d7e193683ac8f25d5f5bd057e1eb319cdbdc556f22b724670b8abd356b3fb02

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of an external URI and the overall detection suggest an attempt to exploit the user by directing them to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://traffnew.ru/123?utm_term=clayton+county+ga+public+schools+calendar
- https://cdn-cms.f-static.net/uploads/4419851/normal_5fd815444479e.pdf
- https://static.s123-cdn-static.com/uploads/4418764/normal_5fcb19f71fb7c.pdf
- https://static.s123-cdn-static.com/uploads/4417530/normal_5fc7caffefe7b.pdf
- https://cdn-cms.f-static.net/uploads/4459162/normal_5fad2834ea337.pdf
- https://cdn-cms.f-static.net/uploads/4453098/normal_5fb26544cef8f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/xanebavifamopez/20780054163.pdf
- https://s3.amazonaws.com/tuletivotarupu/netimijatezasivarijitudib.pdf
- https://uploads.strikinglycdn.com/files/6eb4603c-70d6-46c5-8e71-c835844dca9f/blood_type_multiple_alleles_worksheet.pdf
- https://s3.amazonaws.com/wotodedaruzuk/canon_camera_eos_600d_manual.pdf
- https://s3.amazonaws.com/wuniku/47479925996.pdf
- https://s3.amazonaws.com/remoxi/dcf_ess_policy_manual_florida.pdf
- https://s3.amazonaws.com/wusigipufuvowix/bestwap_movie_2018_bollywood.pdf
- https://s3.amazonaws.com/dejolavubukugeb/82615920678.pdf
- https://s3.amazonaws.com/lebaxa/vanudov.pdf
- https://uploads.strikinglycdn.com/files/7a55ab29-23b1-4227-b58d-9547b4947d38/tunuwirokok.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b011.bin` `6489bf425f1112808cc911367db0dbe455edac82a878af8c53ad5dac37d9d85e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB011	5484 bytes
`font_01_sfnt_off0000c2a5.bin` `9136159ab180bcc48ccb38a0099cd4570bff64fc431d00c30565f0abf16449cc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC2A5	9688 bytes
`font_02_sfnt_off0000e3bb.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE3BB	4324 bytes

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