MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=free+excel+spreadsheet+amortization+schedule'. This URL is presented within the document body, disguised as a free spreadsheet, indicating a social engineering lure. The presence of a large number of external PDF links further supports a link farm tactic. The ML classifier also strongly flagged this PDF as malicious.
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=free+excel+spreadsheet+amortization+schedule
- https://static.usrfiles.com/ugd/ca300b_232ed46eb87f46a6a080e2696533bab1.pdf
- https://static.usrfiles.com/ugd/2813e2_94a83031fd72470daa8363017723d693.pdf
- https://static.usrfiles.com/ugd/83b1b3_5c6042aebcec465e8f3e931d616f6d3a.pdf
- https://static.usrfiles.com/ugd/4ae4db_f021d34323b34451a5f734e35333b6a4.pdf
- https://static.usrfiles.com/ugd/c1108c_10f590ad95e64fbea493a57c9751fd1b.pdf
- https://static.usrfiles.com/ugd/b8c837_7076ad1e52f546e98d73227003e511d4.pdf
- https://cdn.shopify.com/s/files/1/0428/4016/2460/files/buku_teks_bahasa_arab_tahun_1.pdf
- https://cdn.shopify.com/s/files/1/0436/6021/4425/files/edgar_s_ruse_osrs.pdf
- https://cdn.shopify.com/s/files/1/0440/0631/0046/files/vacina_antirrbica_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/1274/3580/files/intel_540s_series_ssd.pdf
- https://static.usrfiles.com/ugd/9421c8_51d40d98f0f243adb7f588807f2f6138.pdf
- https://static.usrfiles.com/ugd/575363_0f1bf5abc74a4b409844f545096fe18a.pdf
- https://static.usrfiles.com/ugd/b8c837_4641cd3f38434792bf12e4f0fd3a7cff.pdf
- https://static.usrfiles.com/ugd/5360f8_f470f6a643ae4170bd84dfcf3a803f4d.pdf
- https://static.usrfiles.com/ugd/58a813_30f850dfb4b842659b7d206bd8ad87e1.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_off0000730e.bin2a6a9c1c7fd602cebd4421dd35c85667f31f0ff617d9c2b4f42ec19f051ad027 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x730E | 5384 bytes |
font_01_sfnt_off00008541.bin8400378e34def62e660af417b842299cf2cd9647a22b02c9fd205d031623dfde |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8541 | 10316 bytes |
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