MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, suggests a lure related to a 'fillable PDF form'. The primary attack pattern involves redirecting users to malicious infrastructure.
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=anlage+e%25C3%25BCr+2020+pdf+ausf%25C3%25BCllbar
- http://files.outbackgetaway.net/uploads/1/3/1/3/131379211/336752.pdf
- http://files.bartsbullets.com/uploads/1/3/0/7/130738548/xasidorenoxodu_torarak_numetevuto.pdf
- http://files.eqnon.com/uploads/1/3/2/7/132712315/da8162076.pdf
- https://cdn.shopify.com/s/files/1/0432/7093/0600/files/55278966590.pdf
- https://cdn.shopify.com/s/files/1/0431/1125/2132/files/gutudulevuwovip.pdf
- https://cdn.shopify.com/s/files/1/0433/6222/2232/files/nolegipewubufejipuzotuk.pdf
- https://cdn.shopify.com/s/files/1/0427/7692/0220/files/70202166558.pdf
- https://cdn.shopify.com/s/files/1/0439/5014/5704/files/49537183290.pdf
- https://cdn.shopify.com/s/files/1/0429/0864/7580/files/legurajagesifakal.pdf
- https://cdn.shopify.com/s/files/1/0433/6022/3397/files/vupofamekax.pdf
- https://cdn.shopify.com/s/files/1/0429/0733/6863/files/kupedifil.pdf
- https://cdn.shopify.com/s/files/1/0435/3576/1576/files/bejogadonojikifidaga.pdf
- https://cdn.shopify.com/s/files/1/0437/8089/8973/files/63236929380.pdf
- https://cdn.shopify.com/s/files/1/0428/8249/8716/files/pokisasaxav.pdf
- https://cdn.shopify.com/s/files/1/0427/9320/5916/files/bubusupasaterunagisez.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/
- https://cdn.shopify.com/s/files/1/0439/5014/5704/fi
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007285.bin0b8a4cd5b36d24ccd06e9e4336ddf907955e7a1cbf0d8435c97afd599c53fef7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7285 | 5376 bytes |
font_01_sfnt_off00008496.bin5aa684b38687b57fdeebb06a355323d58b78be48430c30601fa8a46a726bc2ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8496 | 11072 bytes |
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