MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.ru. The document body, though heavily obfuscated, contains the same URL and a reference to 'business analytics and intelligence pdf', suggesting a lure. Additionally, the PDF hosts a large number of external links, many pointing to Shopify domains, which is indicative of a link farm used for SEO poisoning or distributing malicious content. The ML classifier also 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.ru/pify?keyword=business+analytics+and+intelligence+pdf
- http://files.enfesnefes.com/uploads/1/3/1/3/131383533/gukexosu.pdf
- http://files.apollongu.org/uploads/1/3/1/4/131411896/rugevi-tolupokanuwuf-zonidinusaki-diziba.pdf
- http://files.caroldmarsh.com/uploads/1/3/1/4/131482886/kibojezur_widavodukexo_vazulaxo.pdf
- http://punozexi.windwolf.com/uploads/1/3/2/8/132814930/7358166a7d.pdf
- https://cdn.shopify.com/s/files/1/0438/5672/4128/files/alabama_football_2020_schedule.pdf
- https://cdn.shopify.com/s/files/1/0432/2597/2904/files/naxamupekenif.pdf
- https://cdn.shopify.com/s/files/1/0437/2804/4193/files/bryant_oden_the_duck_song.pdf
- https://cdn.shopify.com/s/files/1/0433/9079/5941/files/53149270508.pdf
- https://cdn.shopify.com/s/files/1/0433/4957/3784/files/didoxetukubametevu.pdf
- https://cdn.shopify.com/s/files/1/0439/8972/9438/files/php_proxy_scripts.pdf
- https://cdn.shopify.com/s/files/1/0434/1517/5317/files/43998218480.pdf
- https://cdn.shopify.com/s/files/1/0429/8761/8463/files/zewik.pdf
- https://cdn.shopify.com/s/files/1/0431/7688/6431/files/nopilobilepajibetaxozi.pdf
- https://cdn.shopify.com/s/files/1/0433/6097/7048/files/cathedral_game_rules.pdf
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/sowedokanob.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067e1.bin3224154b54e6fb02abf9d91914b318d6c06cbc43296ddacf55e74891dd6ee17b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67E1 | 5376 bytes |
font_01_sfnt_off00007a52.bin9381c73818631930245dd91ee2c4fc7984eff1ecfd0daf1ddb0dbe364c0f3e5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A52 | 9952 bytes |
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