MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'https://ttraff.ru/pify?keyword=eeo-+4+reporting+requirements'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including 'https://cdn.shopify.com/s/files/1/0434/4466/6529/files/zamawufil.pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same redirector 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.ru/pify?keyword=eeo-+4+reporting+requirements
- http://files.madisonvetpc.com/uploads/1/3/1/3/131380471/tupetafopediva_timage.pdf
- http://foxoj.tbccanton.com/uploads/1/3/1/0/131069839/b1e46.pdf
- http://ligonuje.grandvilleayso.org/uploads/1/3/0/8/130814515/4871352.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/4466/6529/files/zamawufil.pdf
- https://cdn.shopify.com/s/files/1/0440/2656/0677/files/gorurevalineg.pdf
- https://cdn.shopify.com/s/files/1/0431/6046/9660/files/basic_anatomy_terms.pdf
- https://cdn.shopify.com/s/files/1/0429/6248/5407/files/77197382541.pdf
- https://cdn.shopify.com/s/files/1/0428/3337/9487/files/beijing_platform_for_action.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977314479.pdf
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/pekogikijatilowezemaviren.pdf
- https://cdn.shopify.com/s/files/1/0431/5650/4744/files/2080375239.pdf
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/analytical_questions_for_nts.pdf
- https://cdn.shopify.com/s/files/1/0431/9051/7917/files/forekisewajavo.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_off0000b502.bin882ca1685fb1e1ff3f520be5081ca08fff30f50f453c7b657a595ba53f2c5849 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB502 | 5100 bytes |
font_01_sfnt_off0000c658.bin5d2f732cea4a25fda93d054170ffa25b212e5b0779d924fc6b5f3acefaa691fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC658 | 14940 bytes |
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