MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=bubbleupnp+server+apk'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the target URL and a reference to 'bubbleupnp server apk', suggesting a lure for a potentially unwanted download. The ML classifier also strongly flagged this PDF as malicious.
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=bubbleupnp+server+apk
- http://files.pemmensgolf.net/uploads/1/3/1/3/131379612/febokibilodirina.pdf
- http://giwodevi.whittonprecision.com/uploads/1/3/1/4/131437064/832b13.pdf
- https://cdn.shopify.com/s/files/1/0431/1498/7669/files/sexekosibapovivafoxa.pdf
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/chloroform_spray_use.pdf
- https://cdn.shopify.com/s/files/1/0435/2920/7957/files/42666077046.pdf
- https://cdn.shopify.com/s/files/1/0435/4464/1695/files/muweliweketajomizutakaz.pdf
- https://cdn.shopify.com/s/files/1/0434/7641/8720/files/achievement_motivation.pdf
- https://cdn.shopify.com/s/files/1/0431/1869/0458/files/b._ed_question_paper_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0431/6305/8340/files/exercices_algorithme_les_boucles.pdf
- https://cdn.shopify.com/s/files/1/0430/5453/0709/files/cbspd_gi_scope_study_guide_3rd_edition.pdf
- https://cdn.shopify.com/s/files/1/0435/4513/3207/files/proving_parallel_lines_worksheet_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0432/9065/6921/files/fepivagojelikefotate.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/44973690678.pdf
- https://cdn.shopify.com/s/files/1/0434/3123/1637/files/27118814056.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005de1.bind727d863ce302fcae483857ca613f673e545e3ee9aaba58ab006e7d3db2de313 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE1 | 5128 bytes |
font_01_sfnt_off00006f56.binbf494fae0aebb2049b3b703fd93192e14669f81cece4ae72ca4a3ffeea41cdcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F56 | 6396 bytes |
font_02_sfnt_off000085ca.bin8d85a6528e615eb9fa4d6b8e0112c23a584b0cab975790a1328b238be8acbe03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85CA | 10436 bytes |
font_03_sfnt_off0000a9a3.bin371f4f5486839d6f666b63f4bc691dfaed9719b7755953d003289165be206b3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9A3 | 16148 bytes |
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