MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to "Aimersoft dvd ripper problems", suggesting a lure. The presence of numerous external PDF links, many with numeric slugs, indicates a potential link farm for SEO poisoning or distributing further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://ggtraff.ru/123?utm_term=aimersoft+dvd+ripper+problems
- https://rivisoni.weebly.com/uploads/1/3/0/7/130739016/1072632.pdf
- https://wagagigowov.weebly.com/uploads/1/3/4/4/134450731/6321080.pdf
- https://wikexedijul.weebly.com/uploads/1/3/4/6/134659224/59d9f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/vaxebisapesi/gnu_gdb_debugger_command_cheat_sheet.pdf
- https://uploads.strikinglycdn.com/files/86a20292-6f40-46f6-ba91-a323c785e19b/training_consultants_login_aspx.pdf
- https://s3.amazonaws.com/leributafa/18376174819.pdf
- https://uploads.strikinglycdn.com/files/35016d89-f951-4fa4-9186-0887d93967b8/45181193911.pdf
- https://s3.amazonaws.com/tipikaxe/dynamic_linear_models_with_r.pdf
- https://s3.amazonaws.com/vonuxagupeduze/blood_and_thunder_hampton_sides.pdf
- https://s3.amazonaws.com/jevopemosod/god_gold_glory_definition_world_history.pdf
- https://s3.amazonaws.com/bezegoluzose/ohio_guidestone_akron_oh.pdf
- https://s3.amazonaws.com/jiguwuzobozobaz/chopin_winter_wind_piano_sheet_music.pdf
- https://s3.amazonaws.com/firudegix/93503325977.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_off0000cce2.bina2f804a2f128db40a6d9cbcef61872f6e96b28dbcc551e0b8f525a553278fca8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCE2 | 5164 bytes |
font_01_sfnt_off0000de5f.bin192ffa7c85a0b1527fbe800263a53b8f85ff69790c73f21ed07f798d4043f8f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE5F | 10960 bytes |
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