MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, one of which, 'https://ttraff.com/pify?keyword=income+tax+calculation+sheet+for+government+employees', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to tax calculations. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content or improve SEO for malicious sites. The ML classifier strongly flagged this PDF as malicious.
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=income+tax+calculation+sheet+for+government+employees
- http://tobelax.eng.chamonixpatinage.com/uploads/1/3/1/1/131164250/2106c02d.pdf
- https://cdn.shopify.com/s/files/1/0436/2492/3298/files/belajar_bahasa_arab_mudah.pdf
- https://cdn.shopify.com/s/files/1/0435/3916/9429/files/todagit.pdf
- https://cdn.shopify.com/s/files/1/0439/1829/5195/files/periodic_table_crossword_puzzle.pdf
- https://cdn.shopify.com/s/files/1/0432/6257/4750/files/taworadamef.pdf
- https://cdn.shopify.com/s/files/1/0432/6785/0390/files/nujabe.pdf
- https://cdn.shopify.com/s/files/1/0440/2115/3957/files/kaxuvidef.pdf
- https://cdn.shopify.com/s/files/1/0432/4563/3699/files/baixar_gratuito_para_pc.pdf
- https://cdn.shopify.com/s/files/1/0432/6657/2452/files/73780827077.pdf
- https://cdn.shopify.com/s/files/1/0433/2571/8678/files/nidolesutijopeti.pdf
- https://cdn.shopify.com/s/files/1/0432/2911/8627/files/totojut.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ad5.bind32f688d450534f055c46a57efc7dbd4dd7ae85c58094adb4fe83bd9926e37ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AD5 | 5480 bytes |
font_01_sfnt_off00007d47.binb25b801b231c3a7b87d9c5ce12b47e63c7f34f90ebcb6d85cfa8f4c8d85d2558 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D47 | 10620 bytes |
font_02_sfnt_off0000a1cc.bine296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1CC | 16164 bytes |
font_03_sfnt_off0000b6e3.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6E3 | 4324 bytes |
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