MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector at `ttraff.ru`. The document body, though heavily obfuscated, contains the same URL, indicating an attempt to direct users to malicious infrastructure. 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.ru/wb?keyword=electrical%20engineering%20interview%20questions%20and%20answers%20pdf%20file
- http://files.teachermrbenson.com/uploads/1/3/1/6/131606262/gegeketupaperir_vajasewedum_vefamutugon_vofefoj.pdf
- http://zevokeg.thenerdparty.com/uploads/1/3/1/4/131454012/3022c2921.pdf
- http://files.tockwithjuniors.com/uploads/1/3/2/3/132303081/1b0cda.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bekikelazipilexujewa.pdf
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/gitimeparutu.pdf
- https://cdn.shopify.com/s/files/1/0430/8893/7120/files/jogivabufazegiwu.pdf
- https://cdn.shopify.com/s/files/1/0432/2328/5928/files/lidilejowuvolenaxamigi.pdf
- https://cdn.shopify.com/s/files/1/0428/9839/1196/files/15616406297.pdf
- https://cdn.shopify.com/s/files/1/0430/3205/1873/files/9635988012.pdf
- https://cdn.shopify.com/s/files/1/0440/7014/2117/files/10447950429.pdf
- https://cdn.shopify.com/s/files/1/0450/2405/1358/files/pyrexia_treatment.pdf
- https://cdn.shopify.com/s/files/1/0431/0256/8599/files/munudu.pdf
- https://cdn.shopify.com/s/files/1/0428/8705/3475/files/4523357543.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_off00006217.bin910d25b2811b1904045885b32b07e9f914484c286740ce65b8ea37a9f855ba11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6217 | 5560 bytes |
font_01_sfnt_off0000751a.bin69da8e08a00ae0bb74357e807b74561080ff9350765df4e04ab3119b43592143 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x751A | 9428 bytes |
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