MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final destination of the attack. The document body and embedded URLs suggest a lure related to sheet music or academic worksheets, designed to trick users into clicking the malicious link. The presence of a large number of external PDF links further indicates a link farm or SEO manipulation tactic to distribute the malicious 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.cc/wix?keyword=nuvole+bianche+sheet+music+amazon
- https://cdn.shopify.com/s/files/1/0434/1969/7303/files/permutations_probability_word_problems_worksheet_answers.pdf
- https://cdn.shopify.com/s/files/1/0444/1915/4086/files/85635537785.pdf
- https://cdn.shopify.com/s/files/1/0431/5955/2155/files/energias_renovables_en_chile_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/satawoninikefeviwajibipo.pdf
- https://cdn.shopify.com/s/files/1/0438/3863/6192/files/alter_ego_frances_a2.pdf
- https://cdn.shopify.com/s/files/1/0452/0011/3813/files/10539204477.pdf
- https://cdn.shopify.com/s/files/1/0437/4868/8033/files/achilles_tendonitis_exercise.pdf
- https://cdn.shopify.com/s/files/1/0436/3422/9398/files/zudimavutinazodunotibuwid.pdf
- https://static.usrfiles.com/ugd/b8c837_811a76de6e2a46d895548fab17035b52.pdf
- https://static.usrfiles.com/ugd/b8c837_79e5621b3b93465c933d78aa27bd31cc.pdf
- https://static.usrfiles.com/ugd/b8c837_a9b238016fc24d2ca61a274b4c7a0ff0.pdf
- https://static.usrfiles.com/ugd/b8c837_3b60954656eb4c149fba766bfe93ab8f.pdf
- https://static.usrfiles.com/ugd/05900a_3246cddd82ce4fbfba779a831de24152.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_off00004735.bin359384e7e3a6b733174ade9a1f2694d90532e8bf8cc3f674bdfde0910b957d6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4735 | 5160 bytes |
font_01_sfnt_off000058ad.bin49e4875f729057c4809f6081eabef6387587f2cb0468186392a10c68b457a302 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58AD | 14444 bytes |
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