MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm, indicating a probable SEO poisoning or phishing campaign. The primary malicious URL identified is https://ttraff.ru/pify?keyword=sql+server+non+clustered+index+insert+performance. The document body, though heavily obfuscated, also contains this URL, reinforcing its role as a lure. The presence of numerous links, many pointing to benign Shopify domains but likely serving as a cover, suggests a broad distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=sql+server+non+clustered+index+insert+performance
- http://files.cyndiaharlanfineart.com/uploads/1/3/0/8/130815213/804743.pdf
- http://dipud.learntodriveinbc.com/uploads/1/3/0/7/130775643/1065355.pdf
- http://fanos.heinrichshome.com/uploads/1/3/1/4/131483167/9129375.pdf
- https://cdn.shopify.com/s/files/1/0437/7024/9374/files/76847196235.pdf
- https://cdn.shopify.com/s/files/1/0437/1464/2069/files/aristoteles_unam.pdf
- https://cdn.shopify.com/s/files/1/0432/7515/7670/files/magellan_gps_2000_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/7438/8119/files/sixuwa.pdf
- https://cdn.shopify.com/s/files/1/0433/6123/9192/files/verupigebesat.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2122/files/13413000684.pdf
- https://cdn.shopify.com/s/files/1/0430/7301/1866/files/pic_assembly_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0433/8096/5534/files/spring_framework_annotations.pdf
- https://cdn.shopify.com/s/files/1/0433/9807/0426/files/army_da_form_638.pdf
- https://cdn.shopify.com/s/files/1/0428/3842/5767/files/wedavupimo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9590150980.pdf
- https://cdn.shopify.com/s/files/1/0430/6003/5735/files/10292581866.pdf
- https://cdn.shopify.com/s/files/1/0431/9110/7742/files/sisalare.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_off00005ca0.bina150e8a52884b9ccdd30e0ec8662c71fb02e2426e615ca59ff26f5c9d891ce25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CA0 | 5540 bytes |
font_01_sfnt_off00006f5a.binf1d281095d45293db7979038b190b4f80696bb95cb42c4e39ae2b0663cb8e470 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F5A | 9924 bytes |
font_02_sfnt_off00009128.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9128 | 4324 bytes |
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