MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.cc/pify?keyword=beginner+english+questions+pdf'. The ML classifier strongly indicated maliciousness, and the presence of a link farm suggests an attempt to distribute malicious content or engage in SEO abuse. The document body, though heavily obfuscated, contains the same URL, reinforcing 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=beginner+english+questions+pdf
- http://files.bamfm.org/uploads/1/3/1/4/131437362/wexarepu-samikoxuf-nusebexiwiwetu-jixovup.pdf
- http://rarixoro.thetaoofrudy.net/uploads/1/3/1/8/131856772/sazux.pdf
- http://fivif.apahcare.com/uploads/1/3/2/8/132816066/fojevodat.pdf
- https://cdn.shopify.com/s/files/1/0429/9204/2137/files/6467891131.pdf
- https://cdn.shopify.com/s/files/1/0430/7927/0561/files/uninstall_github_desktop.pdf
- https://cdn.shopify.com/s/files/1/0437/3279/5541/files/bamuzakene.pdf
- https://cdn.shopify.com/s/files/1/0430/4479/8613/files/98025816750.pdf
- https://cdn.shopify.com/s/files/1/0435/5312/8612/files/80500271122.pdf
- https://cdn.shopify.com/s/files/1/0430/4768/2201/files/modawaki.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6841/files/77061960327.pdf
- https://cdn.shopify.com/s/files/1/0429/2067/3433/files/nuroxajezikeso.pdf
- https://cdn.shopify.com/s/files/1/0432/6454/0835/files/vorikularo.pdf
- https://cdn.shopify.com/s/files/1/0432/5310/4790/files/657_220-_1619.pdf
- https://cdn.shopify.com/s/files/1/0434/8048/1954/files/capacitor_calculation.pdf
- https://cdn.shopify.com/s/files/1/0432/5038/5051/files/vorediti.pdf
- https://cdn.shopify.com/s/files/1/0428/4517/5971/files/nuserarezezupiwizozosu.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_off00006940.bin8c4a33d427e62212692497f4cb7d2d268f04dda7635bd37799ee5c837ad12dfe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6940 | 5268 bytes |
font_01_sfnt_off00007b24.bin03a5ff599f74ec4530ebd6c5d4cadfb9d2f560a88d6e9cd2ee605ff229a09000 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B24 | 10020 bytes |
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