MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file contains numerous links to external resources, including a malicious redirector at 'https://ttraff.ru/pify?keyword=stihl+br600+parts'. The document body, though heavily obfuscated, also contains this URL, suggesting a lure for users searching for specific parts. The presence of a clipboard command lure indicates an attempt to trick users into executing commands, likely to download further malicious content. The ML classifier strongly flagged this PDF as malicious.
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/pify?keyword=stihl+br600+parts In PDF document text
- http://files.peoplespotato.com/uploads/1/3/0/8/130814187/wuzudewiw.pdfIn PDF document text
- http://files.thomascreekbaptist.com/uploads/1/3/0/9/130969472/vemowo.pdfIn PDF document text
- http://files.brightstarastro.com/uploads/1/3/1/8/131856492/8872450.pdfIn PDF document text
- http://files.rochonsands.net/uploads/1/3/2/6/132695445/2970b2d484bf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6593/3985/files/vumofevisajumomujaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7564/9180/files/tixumip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4178/1920/files/battlegear_mod_1._7._10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5797/9304/files/gubeji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6014/9910/files/hamilton_beach_slow_cooker_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6593/3985/files/copy_file_terminal_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3180/4574/files/starting_out_with_c_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63529720688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8181/7505/files/nonijozado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7139/6257/files/63971881124.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000059f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59F6 | 5444 bytes |
SHA-256: 5ab32e2f2454ca17ae499b8ec5d550fa6419715f2633bcd5002d27380eded902 |
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font_01_sfnt_off00006c62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C62 | 10592 bytes |
SHA-256: 4974a119e55f4d24b6dccd1d86700806af4b8e11a5a9a38f865d280a6b9a648d |
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font_02_sfnt_off000090d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90D1 | 16204 bytes |
SHA-256: 73bb1f519e29941fc98367ae33a8b679223d41029fbf73fb5c585da9ec8c2502 |
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