PDF malware analysis — malicious · 89e1ebed1b24992f

MALICIOUS

PDF

71.1 KB Created: 2021-03-25 12:37:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 96f71f1cbfeadbea5fa27ef4e2830aec SHA-1: d2ed3af0963d263fab114c141b56b22110c208d3 SHA-256: 89e1ebed1b24992f9e193e4cc5c39eb1dbdf9411ac3533e5e668d60aa1a4fb75

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, specifically flagged as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely used to deliver a malicious payload or conduct phishing. The document body, though heavily obfuscated, appears to be a lure related to a 'Callaway big bertha alpha 815 adjustment guide'.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://seumenha.ru/wix?keyword=callaway+big+bertha+alpha+815+adjustment+guide
- http://oyuncuxx.com/jj_benitez_caballo_de_troya_4timw1.pdf
- http://tamakar.tech/675711686e7gef.pdf
- http://dostafood.xyz/27277828133nyop.pdf
- http://btsworld.org/8869314422ymoze.pdf
- http://ruwegekugite.22web.org/a_dozen_a_day_download.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://zusunikumejimet.rf.gd/xabuvirazotanuvumoberoz.pdf
- https://b5f169ef-6bcf-4d19-a24b-32bdc9dd7a5f.filesusr.com/ugd/2e79a6_aae614136521412ca2b0b9eb69e81ab8.pdf?index=true
- http://kepinud.rf.gd/is_there_a_water_filter_for_the_keurig_duo.pdf
- http://tujefuguxofela.rf.gd/kozasononobin.pdf
- http://nagurinetawami.rf.gd/vmware_horizon_client_for_windows_7.pdf
- http://jexunon.epizy.com/myron_mixon_mustard_bbq_sauce_recipe.pdf
- https://c504e2ef-f928-4e80-b5b1-fc05046f432e.filesusr.com/ugd/247f25_1b90a1dbb51a490b934e46bcb2ff6e8f.pdf?index=true
- http://desakoda.rf.gd/bsc_bed_form_2019_rajasthan.pdf
- http://tuludipetowizad.rf.gd/gamuxoxonejezaramis.pdf
- http://jiwuwusa.epizy.com/degupuvim.pdf
- http://vuvulew.rf.gd/apa_style_research_paper_example.pdf
- http://fimuwixuxur.rf.gd/comparing_decimals_fractions_and_percentages_worksheets.pdf
- http://rozikumopimi.rf.gd/pol_science_class_11_notes_in_hindi.pdf
- https://dab7fb03-f2af-4a8e-9cb9-31de623bedb3.filesusr.com/ugd/58b596_63b40fa23919479fb4d7047c15165820.pdf?index=true
- http://jeburam.epizy.com/15903543225.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_off0000d482.bin` `e9b8a595a6d991e5614b7d9acead37d4d3768d6f73602571df99dd52d1eac158`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD482	6056 bytes
`font_01_sfnt_off0000e90a.bin` `4ce7efb5099c73ee6851db79d6db649649c29fbd8eb847b4ff8d42a0300e6c9e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE90A	10592 bytes

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