MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, but the presence of the URL 'https://ttraff.ru/pify?keyword=python+timeit+decorator' suggests an attempt to direct users to potentially harmful content.
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=python+timeit+decorator
- http://files.jeffreytbaker.com/uploads/1/3/1/4/131438024/51c05280.pdf
- http://files.wendymooreela.com/uploads/1/3/0/8/130813516/widugoraruziw.pdf
- http://files.desjardinsproinsp.com/uploads/1/3/2/6/132681976/ginuta.pdf
- http://files.sofl.afaparents.org/uploads/1/3/1/4/131408970/df11d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5188/4445/files/jupoza.pdf
- https://cdn.shopify.com/s/files/1/0430/5109/0071/files/78405416627.pdf
- https://cdn.shopify.com/s/files/1/0437/8384/8093/files/all_you_zombies_robert_a_heinlein.pdf
- https://cdn.shopify.com/s/files/1/0429/9898/8954/files/62079160298.pdf
- https://cdn.shopify.com/s/files/1/0430/0944/1953/files/leluvub.pdf
- https://cdn.shopify.com/s/files/1/0433/4023/4902/files/56598456283.pdf
- https://cdn.shopify.com/s/files/1/0437/8414/3010/files/rubezegegax.pdf
- https://cdn.shopify.com/s/files/1/0434/5544/7202/files/86224788378.pdf
- https://cdn.shopify.com/s/files/1/0428/8184/3356/files/suninaxufizizim.pdf
- https://cdn.shopify.com/s/files/1/0432/5959/2859/files/jimanodisadakoxasu.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4280/files/semobulexakanuguneg.pdf
- https://cdn.shopify.com/s/files/1/0439/1672/2344/files/39050106320.pdf
- https://cdn.shopify.com/s/files/1/0428/3239/6447/files/rutelezidibe.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000755e.bin75db0f4e8a67660146da7226f1f61edc3b54655a37b08c9b09fa66e691ce0290 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x755E | 5072 bytes |
font_01_sfnt_off00008676.binf6356df034de6994f8b4bf68ff15c1e2cda2b0503caf58b0af5a22cbfa331ec3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8676 | 10848 bytes |
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