MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to what appears to be a link farm designed to host other PDFs. One prominent link, 'https://ttraff.com/pify?keyword=brick+games+free++for+pc', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'brick games free for pc', suggesting a lure to trick users into clicking the malicious link. 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=brick+games+free++for+pc
- http://files.morganmediacreations.com/uploads/1/3/1/4/131438226/4394963.pdf
- http://sigoju.sunnibunni.com/uploads/1/3/1/8/131871721/tuzowazupik-xebapivuk-zonoj.pdf
- http://zuxanobup.kirstenschwarz.com/uploads/1/3/0/7/130775350/redijuwasadetu-zenukegax-nojaku.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/13110557200.pdf
- https://cdn.shopify.com/s/files/1/0435/5093/3155/files/sixuximeretefomuposofexax.pdf
- https://cdn.shopify.com/s/files/1/0431/4267/6648/files/golisunijim.pdf
- https://cdn.shopify.com/s/files/1/0464/8088/3880/files/kerejenab.pdf
- https://cdn.shopify.com/s/files/1/0437/8093/1733/files/39941615891.pdf
- https://cdn.shopify.com/s/files/1/0438/3450/7426/files/92772007308.pdf
- https://cdn.shopify.com/s/files/1/0450/6717/4040/files/59484588145.pdf
- https://cdn.shopify.com/s/files/1/0439/3854/5819/files/berazetenig.pdf
- https://cdn.shopify.com/s/files/1/0436/4160/2198/files/physics_by_james_walker_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0430/5115/5618/files/jawukini.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_off000068e7.binfe120b725a87081b0d7fc8a00f12204aca3f57f6aad57a3eee3e217813564c54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68E7 | 5416 bytes |
font_01_sfnt_off00007b47.bind47491969a842f49f644083b6bc445b6f3bcd094fc00be4d166b52136ff3449e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B47 | 10212 bytes |
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