MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to piano sheets and the malicious URL, suggesting a lure to download potentially harmful content. The ML classifier also strongly indicated maliciousness.
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=mariage+d%2527+amour+piano+sheet+everyonepiano
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/4118/6215/files/bogie_train.pdf
- https://cdn.shopify.com/s/files/1/0435/6977/4750/files/baba_yetu_download.pdf
- https://cdn.shopify.com/s/files/1/0437/5497/9477/files/canon_xl1_s.pdf
- https://cdn.shopify.com/s/files/1/0434/8795/3053/files/balance_wheel_of_life.pdf
- https://cdn.shopify.com/s/files/1/0437/4121/6919/files/50932115971.pdf
- https://cdn.shopify.com/s/files/1/0432/7256/8996/files/nusodenufire.pdf
- https://static.usrfiles.com/ugd/b8c837_a7dd1623cdc14e0389253627334ffbe6.pdf
- https://static.usrfiles.com/ugd/b8c837_8afbc1d284604938b04773cf9b93acff.pdf
- https://static.usrfiles.com/ugd/0bcf16_638b178e51e2446a8315cb04524429cd.pdf
- https://static.usrfiles.com/ugd/b9801a_6b3abdcf59864176ad680f29a8574331.pdf
- https://static.usrfiles.com/ugd/47b1e8_b9b2070dc94348de81cdcfa72b8baf67.pdf
- https://static.usrfiles.com/ugd/9ea91e_2a8eba651b3d46f58f825a0affbae9ee.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007aa5.bin1c45ae965081101187260ee0301d40b4e3d12d29f5343a822c4eee2c9ac0513e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA5 | 4540 bytes |
font_01_sfnt_off00008a60.bin0a58f53b9cc98adc5c19675dd42e4af1b7329ba5734c803682dae81737ec1559 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A60 | 5540 bytes |
font_02_sfnt_off00009d31.bin803c031fab34828428120b77640a6d24fcc37d7117d517425e58e93d4097d10f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D31 | 13512 bytes |
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