MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier as malicious and contains a significant number of embedded links. One of these links, `https://ttraff.cc/pify?keyword=bootstrap++button+file`, points to a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of a large link farm further supports the malicious intent.
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=bootstrap++button+file
- http://files.johannariddle.com/uploads/1/3/1/6/131606807/3609761.pdf
- http://files.ourhiddenhills.ca/uploads/1/3/0/8/130874104/wilazig.pdf
- http://files.aleehannah.com/uploads/1/3/1/8/131871992/6569848.pdf
- https://cdn.shopify.com/s/files/1/0430/1645/4305/files/49923760785.pdf
- https://cdn.shopify.com/s/files/1/0437/7437/8138/files/56882914572.pdf
- https://cdn.shopify.com/s/files/1/0432/0601/7185/files/honkey_tonk_heroes_chords.pdf
- https://cdn.shopify.com/s/files/1/0429/6923/5619/files/appendicite_aigue_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/2588/2518/files/73613241827.pdf
- https://cdn.shopify.com/s/files/1/0429/8375/1831/files/40258147350.pdf
- https://cdn.shopify.com/s/files/1/0433/2912/6550/files/vupusedipegug.pdf
- https://cdn.shopify.com/s/files/1/0432/2154/9217/files/platonism_mathematics.pdf
- https://cdn.shopify.com/s/files/1/0429/1615/1455/files/puzinekivugewov.pdf
- https://cdn.shopify.com/s/files/1/0433/0265/0011/files/12th_time_table_2020_up_board_download.pdf
- https://cdn.shopify.com/s/files/1/0436/4143/8366/files/upkar_publication_book_download.pdf
- https://cdn.shopify.com/s/files/1/0440/2728/1558/files/grove_manlift_manual.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_off0000bb3a.bin5511fcb09da3d2bfaf674e200b3feb37db49dbbd15ffe693a8a2e619c225c0eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB3A | 5084 bytes |
font_01_sfnt_off0000cc91.bin0b4e1335a69446c94da4082c2eb1dd3eaeb06eb3ea040fbe063884ac56e8e1d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC91 | 17096 bytes |
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