MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'ttraff.com'. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. The ML classifier also 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=letter+format+in+microsoft+word
- http://files.elitesportsperformanceuk.co.uk/uploads/1/3/0/7/130776518/9707390.pdf
- http://files.halualani.com/uploads/1/3/1/0/131070611/wuritifemo.pdf
- http://nisupen.novention.com/uploads/1/3/1/6/131637014/5700930.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/4066/9849/files/64241677165.pdf
- https://cdn.shopify.com/s/files/1/0438/6340/8795/files/sidizejitekasebikixu.pdf
- https://cdn.shopify.com/s/files/1/0431/2940/5600/files/30368304023.pdf
- https://cdn.shopify.com/s/files/1/0431/5083/5878/files/42915968878.pdf
- https://cdn.shopify.com/s/files/1/0437/2771/6520/files/bhagavad_gita_gujarati_download.pdf
- https://cdn.shopify.com/s/files/1/0428/6060/9692/files/41794010668.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/rugelurulusudefonepana.pdf
- https://cdn.shopify.com/s/files/1/0429/1415/2607/files/bit_by_bit_salganik.pdf
- https://cdn.shopify.com/s/files/1/0429/0940/1251/files/uc_browser_old_apk_app.pdf
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/52543453389.pdf
- https://cdn.shopify.com/s/files/1/0430/8064/6807/files/zakadoru.pdf
- https://cdn.shopify.com/s/files/1/0432/0716/4064/files/gananifogaxifojolimi.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_off0000681d.bin908113a8d11e78b5f34a70c2f84be699614f751e490e076a7213521292f1b71d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x681D | 5168 bytes |
font_01_sfnt_off000079a5.bine108b1d257d9e52ab08da011928debdf55785329aad4cc4554afb25b96f8eade |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79A5 | 9980 bytes |
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