MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document contains a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the text 'Google android versions names' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content or improve SEO for malicious sites. No scripts were extracted from this sample.
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=google+android+versions+names
- http://files.nadafaris.com/uploads/1/3/1/6/131606392/b7abb672ab.pdf
- http://files.angastonnc.com.au/uploads/1/3/0/9/130969980/majobunix.pdf
- https://cdn.shopify.com/s/files/1/0434/0717/9941/files/koridu.pdf
- https://cdn.shopify.com/s/files/1/0430/5872/5018/files/82075762746.pdf
- https://cdn.shopify.com/s/files/1/0428/3888/4519/files/81901253833.pdf
- https://cdn.shopify.com/s/files/1/0450/7104/0675/files/tilikuma.pdf
- https://cdn.shopify.com/s/files/1/0432/5058/1662/files/anglo_link_english_grammar.pdf
- https://cdn.shopify.com/s/files/1/0429/7474/0639/files/historia_del_neoliberalismo_en_mexico.pdf
- https://cdn.shopify.com/s/files/1/0431/6381/1999/files/reliability_of_safety_critical_systems_theory_and_applications.pdf
- https://cdn.shopify.com/s/files/1/0433/3584/3994/files/best_handheld_vacuum_cleaners_consumer_reports.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/16818407049.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_off0000637e.bin9b44b1165a77962c09e50a52026d2f940dd377f8f7e9c7974ae2705ee1238b25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x637E | 5236 bytes |
font_01_sfnt_off0000753d.bin073f3b6e239b2fdad55e0c9e8660ebf8bde4c7ba3a493ac9e637e4031b74facf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753D | 3024 bytes |
font_02_sfnt_off000081c8.bin03053b5d64ad00aa9814c5f9e0034441ed1c88f3029d5d204469617fa6bae624 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81C8 | 10520 bytes |
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