MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded URLs, with a critical heuristic firing indicating a PDF link farm. One of the primary links directs to a known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains the URL 'https://ttraff.ru/pify?keyword=shoo+fly+sheet+music+free', suggesting a lure or redirection mechanism. 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.ru/pify?keyword=shoo+fly+sheet+music+free
- http://luzapuwu.taverhamdaycentre.org.uk/uploads/1/3/2/8/132814930/novuw.pdf
- http://files.avriltahoe.com/uploads/1/3/1/3/131380063/jobiwutaxalofeg.pdf
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/vaxuto.pdf
- https://cdn.shopify.com/s/files/1/0434/6006/7480/files/lolagutu.pdf
- https://cdn.shopify.com/s/files/1/0429/0281/4876/files/attitude_quotes_in_english.pdf
- https://cdn.shopify.com/s/files/1/0433/9151/6828/files/2020_telugu_calendar_file.pdf
- https://cdn.shopify.com/s/files/1/0440/5254/5701/files/sheet_metal_gauge_conversion_chart.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/19307953116.pdf
- https://cdn.shopify.com/s/files/1/0431/0332/2269/files/26918550299.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/muzoguganava.pdf
- https://cdn.shopify.com/s/files/1/0434/3978/4103/files/fomunikegujumexefaw.pdf
- https://cdn.shopify.com/s/files/1/0434/2526/7877/files/51424477766.pdf
- https://cdn.shopify.com/s/files/1/0427/9359/9132/files/cognos_11_active_reports_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0429/9948/0473/files/62085272771.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_off00004a65.bin53c713350852ae9257bac4f6749920698f10d19e3d6449009b311bc522a6cb94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A65 | 5116 bytes |
font_01_sfnt_off00005bb2.binf15751b0e41e0d2346c99b9f0a746573ed7c2a046a80f3f26b3446045ad70184 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BB2 | 10608 bytes |
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