MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body, though heavily obfuscated, also contains the URL 'https://ttraff.ru/pify?keyword=adding+double+digits+worksheets+free', suggesting a lure to a site offering worksheets. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the use of malicious redirectors, and 'PDF_SEO_LINK_FARM' indicates a large number of external links, likely for SEO manipulation or to distribute malicious content.
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=adding+double+digits+worksheets+free
- http://naferipe.drhannahcurtis.com/uploads/1/3/1/1/131163635/zolow_soxex.pdf
- https://cdn.shopify.com/s/files/1/0434/2641/4743/files/89662601304.pdf
- https://cdn.shopify.com/s/files/1/0432/8279/2606/files/29515439701.pdf
- https://cdn.shopify.com/s/files/1/0428/0582/1599/files/24841781599.pdf
- https://cdn.shopify.com/s/files/1/0450/2824/5654/files/71287868819.pdf
- https://cdn.shopify.com/s/files/1/0429/5147/5351/files/47062698894.pdf
- https://cdn.shopify.com/s/files/1/0433/7650/9080/files/mapibijito.pdf
- https://cdn.shopify.com/s/files/1/0434/0957/1997/files/97162257265.pdf
- https://cdn.shopify.com/s/files/1/0432/2079/5556/files/cypher_system_rulebook.pdf
- https://cdn.shopify.com/s/files/1/0436/5844/4958/files/sopike.pdf
- https://cdn.shopify.com/s/files/1/0440/4133/9030/files/army_of_darkness_defense.pdf
- https://cdn.shopify.com/s/files/1/0429/7061/1861/files/25482550196.pdf
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/30466940956.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bbe.bin8098104a39b217ed964726111c1c5549a4cab09c885d40c71d77aba69940c4a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BBE | 5124 bytes |
font_01_sfnt_off00006d32.binbc6e49dbf5689ee7e01d72344644c11602cbe6938bf98a164b902c3c733a837c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D32 | 10372 bytes |
font_02_sfnt_off0000906d.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x906D | 4324 bytes |
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