MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=gabriel%2527+s+oboe+flute+sheet+music, which is likely used to redirect users to a malicious site. The presence of a large number of external PDF links further supports the attack pattern of a link farm designed for malicious redirection.
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=gabriel%2527+s+oboe+flute+sheet+music
- http://files.twelvelittletales.com/uploads/1/3/1/6/131606343/kowezomelo_tometunor_fuzusularelijo.pdf
- http://files.iluvmemore.com/uploads/1/3/2/3/132302815/ea158.pdf
- http://vixiradiz.animalmagicminizoo.com/uploads/1/3/0/7/130775934/salalinesolobu.pdf
- https://creativecommo
- https://cdn.shopify.com/s/files/1/0429/2047/6828/files/26420898082.pdf
- https://cdn.shopify.com/s/files/1/0431/5506/2938/files/54559917792.pdf
- https://cdn.shopify.com/s/files/1/0433/6081/3215/files/64147742592.pdf
- https://cdn.shopify.com/s/files/1/0435/4536/2591/files/autocad_civil_3d_drawings_for_practice.pdf
- https://cdn.shopify.com/s/files/1/0432/0201/9487/files/vimijixu.pdf
- https://cdn.shopify.com/s/files/1/0432/6745/7182/files/suruzirikeva.pdf
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/ashrae_standard_90._1_si.pdf
- https://cdn.shopify.com/s/files/1/0429/0481/3721/files/91599378234.pdf
- https://cdn.shopify.com/s/files/1/0431/5709/4559/files/josawuganif.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_off00005250.bin5979552d7fd782509d4b24e5a436016ceb085a1f38e0fc0e64f686b9ca13b05b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5250 | 5328 bytes |
font_01_sfnt_off00006457.bin9675c2a9378c867bdf9f0e22993961e7dc8adccd6ce3f7f14cf62ba0da915baa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6457 | 15920 bytes |
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