MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, a common technique for SEO poisoning or redirecting users to malicious sites. One of the embedded URLs, https://ttraff.com/pify?keyword=geometric+progression+problems+pdf, is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. 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.com/pify?keyword=geometric+progression+problems+pdf
- http://files.threecreekaussies.com/uploads/1/3/2/7/132710655/sujut.pdf
- http://files.thedmvdailystore.com/uploads/1/3/0/9/130969987/5763630.pdf
- http://jowulizox.berrienspringshs.org/uploads/1/3/1/3/131380005/dobajinages_wujekadofewupa_digufipugoxobez_jawunosuluvut.pdf
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/tikowolidefebizimogirun.pdf
- https://cdn.shopify.com/s/files/1/0437/5638/8510/files/totixagajewavobipi.pdf
- https://cdn.shopify.com/s/files/1/0431/1266/1152/files/tiridevi.pdf
- https://cdn.shopify.com/s/files/1/0430/6305/0394/files/libros_de_calabozos_y_dragones_en_espaol.pdf
- https://cdn.shopify.com/s/files/1/0429/1185/8855/files/favelegasid.pdf
- https://cdn.shopify.com/s/files/1/0428/9167/3763/files/tasop.pdf
- https://cdn.shopify.com/s/files/1/0430/1019/5605/files/97497312148.pdf
- https://cdn.shopify.com/s/files/1/0428/7922/1927/files/39818107497.pdf
- https://cdn.shopify.com/s/files/1/0428/2010/8455/files/girukunox.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xidab.pdf
- https://cdn.shopify.com/s/files/1/0434/0056/0803/files/64979717356.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_off00005d54.bin5682ca016b5df145311ed77159ebf07c56fec5a02583d7a5ed01033345d7e3af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D54 | 5436 bytes |
font_01_sfnt_off00006fbc.bin9d9a2b67bcdbf84388676bef6ae7b96b083359192cc0316ba129723951143bba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FBC | 14180 bytes |
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