MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.com/pify?keyword=ccna+voice+lab+manual+brent+sieling+pdf'. The ML classifier also strongly indicated maliciousness. The document body appears to be heavily obfuscated or corrupted, but the presence of the malicious URL is sufficient to infer a phishing or malware delivery attempt.
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=ccna+voice+lab+manual+brent+sieling+pdf
- http://files.gsdmc.org/uploads/1/3/2/6/132695216/zokes.pdf
- http://files.petiakostadinova.net/uploads/1/3/1/6/131606407/fokazadugot_bupowogetum_givules_toxelebafatiju.pdf
- http://bufuk.sevenjewelsoflife.com/uploads/1/3/1/4/131437736/7095b443c.pdf
- http://files.jaclynloween.com/uploads/1/3/0/9/130968961/81d80c.pdf
- https://cdn.shopify.com/s/files/1/0432/3698/2943/files/kapovugeretomogeronex.pdf
- https://cdn.shopify.com/s/files/1/0429/2454/0071/files/cd4047_datasheet_download.pdf
- https://cdn.shopify.com/s/files/1/0435/1256/1819/files/89447967523.pdf
- https://cdn.shopify.com/s/files/1/0433/5622/5686/files/90756090898.pdf
- https://cdn.shopify.com/s/files/1/0427/6482/8839/files/lemij.pdf
- https://cdn.shopify.com/s/files/1/0435/6577/7059/files/iwcf_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/7332/0600/files/44922945484.pdf
- https://cdn.shopify.com/s/files/1/0435/4496/9367/files/48268345573.pdf
- https://cdn.shopify.com/s/files/1/0434/1753/4629/files/berotoku.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a6e0.bina049ab616d7b3560c6fb9c3f8cf2aee06a411c44b08c5b2d5d134af69d3fe08e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6E0 | 5580 bytes |
font_01_sfnt_off0000b9b6.bin8c03b716107aeb0b9ff4b35e5d16911964bc86ff479438895994e678c11f2367 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9B6 | 15360 bytes |
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