MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious Link
T1059 Command and Scripting Interpreter
The PDF file contains a lure to copy/paste commands into a shell, as indicated by the 'SE_CLIPBOARD_COMMAND_LURE' heuristic. It also embeds a link to a known malicious redirector, 'https://ttraff.ru/wb?keyword=install%20grub%20bootloader%20manually', which is likely used to download a secondary payload. The document also functions as a link farm, pointing to numerous external PDFs, with 'https://cdn.shopify.com/s/files/1/0433/9177/8965/files/parebemovek.pdf' being a prominent example. The presence of these elements suggests a social engineering attack aimed at tricking the user into executing malicious commands.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://ttraff.ru/wb?keyword=install%20grub%20bootloader%20manually In PDF document text
- http://zanofesu.3dpd.co.za/uploads/1/3/1/4/131407995/2683884.pdfIn PDF document text
- http://files.straleystudios.com/uploads/1/3/0/9/130970009/pigedarukumi.pdfIn PDF document text
- http://files.hubert-music.com/uploads/1/3/1/4/131406811/padusidezi.pdfIn PDF document text
- http://worube.monsieurcreations.com/uploads/1/3/1/6/131607600/68bc488b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/9177/8965/files/parebemovek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12339474235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0007/0307/files/72130488028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1307/0238/files/luxedafuraguxixibogamowed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44240048578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0221/5074/files/tinusuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4578/1665/files/wabamili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3609/0267/files/gewosuvama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5928/1061/files/49295448698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9714/6019/files/grade_1_piano_sheet_music_pop_songs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0808/9499/files/galemelid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2170/3067/files/bazixojuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5987/9841/files/zigurilofatawilan.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000099c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99C5 | 5156 bytes |
SHA-256: 3d49db9cf65fe77e0b97dfc930547762aff6ae322a472a90016ff22321921791 |
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font_01_sfnt_off0000ab2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB2C | 10376 bytes |
SHA-256: 8bca0ade054473a65e2d13bcee72bc724e9254652432cabbe754db34878ffbce |
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font_02_sfnt_off0000ce9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE9F | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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