PDF malware analysis — malicious · c6ebd2920440fd8c

MALICIOUS

PDF

81.1 KB Created: 2021-05-05 14:47:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10

MD5: 56ad2f8388380bfd7f8b0cf8c7e0c37c SHA-1: 62e69b8c23efb20cff9198eaf43f06285bdcb991 SHA-256: c6ebd2920440fd8cdc1cf94cfce45b3abff61bd0c52418eec8d15bea49f17155

196 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

This PDF file was flagged by ClamAV as a phishing trojan. It contains numerous external links, with one pointing to a potential malicious URL. A critical heuristic indicates a lure to execute commands via the clipboard, suggesting the document aims to trick the user into running malicious code. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9957

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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://botokaw.ru/strik?utm_term=imax+b6+connection+break+solution PDF link annotation
- https://jebupamix.weebly.com/uploads/1/3/6/0/136098333/rumapev.pdfIn PDF document text
- https://wopinifem.weebly.com/uploads/1/3/4/8/134884590/8771381.pdfIn PDF document text
- https://zozizifubigidoz.weebly.com/uploads/1/3/1/4/131409074/zuwiwuworasiwazumo.pdfIn PDF document text
- https://bozixezexa.weebly.com/uploads/1/3/4/8/134861503/xixoku.pdfIn PDF document text
- https://xewixubigikuj.weebly.com/uploads/1/3/4/8/134892453/bfe654ba1e82.pdfIn PDF document text
- https://vopasigujar.weebly.com/uploads/1/3/0/8/130813381/2755427.pdfIn PDF document text
- https://fatomomome.weebly.com/uploads/1/3/1/6/131606630/3535118.pdfIn PDF document text
- https://rixafewokeget.weebly.com/uploads/1/3/0/7/130739987/nimifefabaw.pdfIn PDF document text
- https://lobududovidaxu.weebly.com/uploads/1/3/3/9/133997350/1db1feb.pdfIn PDF document text
- https://zijolafazul.weebly.com/uploads/1/3/0/8/130873795/modusopuwazi-ribisumugofovi-fekiruvenowo.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/rejiner/molarotiwogodesagamiso.pdfIn PDF document text
- https://24d1f61b-f5c5-4d2f-8180-62589f44e8d8.filesusr.com/ugd/eed56f_f27259392df84e51b04b3723ee0707d4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dufekifaral/brevet_2019_report_en_septembre.pdfIn PDF document text
- https://s3.amazonaws.com/dikomavomem/25577707173.pdfIn PDF document text
- https://s3.amazonaws.com/julexekubaj/64958357169.pdfIn PDF document text
- https://42e65457-ec34-4553-8979-78b6e302f774.filesusr.com/ugd/f1976d_38844572325948a1b538174347a2f3eb.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zerepuzuze/pokemon_adventure_game_zip.pdfIn PDF document text
- https://s3.amazonaws.com/dazinibonofobi/what_happened_in_the_enron_case.pdfIn PDF document text
- https://s3.amazonaws.com/xupizewuxere/agneepath_hd_movie_filmywap.pdfIn PDF document text
- https://s3.amazonaws.com/sitozi/diccionario_biblico_reina_valera_1960_para_android.pdfIn PDF document text
- https://s3.amazonaws.com/biwuwukesazef/20662156785.pdfIn PDF document text
- https://s3.amazonaws.com/tolivajupeku/what_happens_to_stocks_over_the_weekend.pdfIn PDF document text
- https://s3.amazonaws.com/fekazudabo/zubepiwi.pdfIn PDF document text
- https://ff5ab256-a407-4697-91b9-141751226614.filesusr.com/ugd/4205e4_e731a33d25bf4f7aabaf2fdab6fcb588.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/befarekogol/nibotiziritu.pdfIn PDF document text
- https://de2ee6d5-caaa-4265-b15c-40100ab77d99.filesusr.com/ugd/d43733_4df4eefd578145809e9b79c2ef557645.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zuses/8835654359.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_off0000fc3f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFC3F	5308 bytes
SHA-256: `70ec21cb0f25e61e2ce917f1ded9a564e4338dad1ae056913aedaeaed49c8b65`
`font_01_sfnt_off00010e3b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E3B	11300 bytes
SHA-256: `d28ee6c57de50d6fba255835d3fc6b76c50d479db8d41cd4072aeb5dba85b3f6`

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