MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to Shopify domains, likely for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'ttraff.cc'. The document body, though heavily obfuscated, contains text related to 'wagon wheel chords and lyrics pdf' and the malicious redirector URL, suggesting a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.cc/wb?keyword=wagon%20wheel%20chords%20and%20lyrics%20pdf
- http://files.csunigc.com/uploads/1/3/0/8/130814121/burunuxonum.pdf
- http://files.shawneecabinets.com/uploads/1/3/1/3/131382583/dulutorefopipaf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1741554469.pdf
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/alimentation_entrale.pdf
- https://cdn.shopify.com/s/files/1/0432/7348/6496/files/xekasewijefavuzoxafevem.pdf
- https://cdn.shopify.com/s/files/1/0447/1855/5292/files/byzantium_summary.pdf
- https://cdn.shopify.com/s/files/1/0430/6848/9881/files/48020983023.pdf
- https://cdn.shopify.com/s/files/1/0434/4204/5090/files/77478942294.pdf
- https://cdn.shopify.com/s/files/1/0428/0143/0695/files/69615203901.pdf
- https://cdn.shopify.com/s/files/1/0440/8547/7541/files/mekolugotefawevidifimono.pdf
- https://cdn.shopify.com/s/files/1/0438/6865/1680/files/47958328513.pdf
- https://cdn.shopify.com/s/files/1/0429/2981/5705/files/bipafuzuzibazoloweda.pdf
- https://cdn.shopify.com/s/files/1/0437/6828/3287/files/vubujawuzamoposufapipo.pdf
- https://cdn.shopify.com/s/files/1/0437/0087/9510/files/96533688269.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007e93.bin086881192dff0b943d1e121aa0fa1fe81d859ca278546cf518682c853b8aa7bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E93 | 5624 bytes |
font_01_sfnt_off000091c7.bin8ad0a2427a9848d1f10578c08fb724ee189747e019ff37ba30cb4c6fbc2c3e1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91C7 | 15352 bytes |
font_02_sfnt_off0000c18b.bin532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC18B | 16204 bytes |
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