MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=antrenmanlarla+matematik+2+pdf+%25C3%25A7%25C3%25B6z%25C3%25BCml%25C3%25BC'. The document body itself is heavily obfuscated but contains similar URLs, suggesting a link farm or SEO poisoning tactic to drive traffic to malicious sites. The ML classifier also strongly indicated maliciousness.
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=antrenmanlarla+matematik+2+pdf+%25C3%25A7%25C3%25B6z%25C3%25BCml%25C3%25BC
- http://files.hyesookchoi.com/uploads/1/3/2/7/132740482/bilemibalinekubo.pdf
- http://files.arrowtarian.com/uploads/1/3/2/7/132712127/5937400.pdf
- http://files.toomuchpun.com/uploads/1/3/1/4/131406049/vafivugufat-kebigifew-toriw.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1566/6849/files/jaxilaxabubulupesor.pdf
- https://cdn.shopify.com/s/files/1/0429/3492/7513/files/kalefatodoxapibadil.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/feburuxigumibaj.pdf
- https://cdn.shopify.com/s/files/1/0434/0609/8597/files/ramuvanefonajokamozudu.pdf
- https://cdn.shopify.com/s/files/1/0428/8669/3023/files/prepper_library.pdf
- https://cdn.shopify.com/s/files/1/0430/8277/6725/files/negefulaxobarinaleki.pdf
- https://cdn.shopify.com/s/files/1/0432/6657/2443/files/34735079258.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/babape.pdf
- https://cdn.shopify.com/s/files/1/0431/6954/6395/files/alicization_exploding.pdf
- https://cdn.shopify.com/s/files/1/0439/5037/5070/files/71061543465.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005054.bin828d38f3786d57ff8718fd924d42ca2b268353837a0cede59d4c6823ba062252 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5054 | 5684 bytes |
font_01_sfnt_off00006326.bincbe8f26edf58ddca2ca19ddc11093e8e974ceef8051dda535c065fbfc74a1611 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6326 | 11716 bytes |
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