MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to sheet music and the malicious URL. The presence of a malicious redirector suggests an attempt to lure the user to a harmful site, likely for further exploitation or credential harvesting. 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.cc/pify?keyword=cotton+candy+skies+piano+sheet+music
- http://files.patriciamauceri.com/uploads/1/3/1/4/131438459/8148933.pdf
- https://cdn.shopify.com/s/files/1/0427/8029/5334/files/150_best_minimalist_house_ideas_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/furupokexopaxabisovijuwu.pdf
- https://cdn.shopify.com/s/files/1/0428/5225/3863/files/51087450350.pdf
- https://cdn.shopify.com/s/files/1/0427/4146/5244/files/18762280224.pdf
- https://cdn.shopify.com/s/files/1/0437/2371/8805/files/gasakelusujet.pdf
- https://cdn.shopify.com/s/files/1/0430/6924/3549/files/bivariate_frequency_distribution_example.pdf
- https://cdn.shopify.com/s/files/1/0436/9845/4682/files/rejegud.pdf
- https://cdn.shopify.com/s/files/1/0428/3334/6719/files/xosuwowavofelufo.pdf
- https://cdn.shopify.com/s/files/1/0431/0643/5232/files/19454249552.pdf
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/morovimekegunugodoruzore.pdf
- https://cdn.shopify.com/s/files/1/0430/5548/0981/files/meniwafu.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_off000062ba.bin434634af779a0d15b84091101fa13ea175ca7fdaaf0f029660980d76fbbcae99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62BA | 5256 bytes |
font_01_sfnt_off0000747f.binc225c052a128fecc9fd679a5887f4fdec841847128e43d8ed9b9b8bac9200071 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x747F | 10832 bytes |
font_02_sfnt_off000099c4.bin73f6f760a67782f27700c3ed047511a210a1e3765a9cc4fd416c63ff6a2522af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99C4 | 16060 bytes |
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