MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to the presence of numerous embedded links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains references to HTML tags and PDF, suggesting a lure related to web content or document manipulation. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.
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=html+tags+pdf
- http://files.mobileautorepairsolutions.com/uploads/1/3/2/7/132710621/87e8c774e.pdf
- http://files.drinkyourcarbs.com/uploads/1/3/1/1/131164252/gitavuxen-volumewuzu-dazuxomu.pdf
- http://kazopu.silentnomore.org/uploads/1/3/1/4/131483281/9774745.pdf
- http://files.spaceairforce.us/uploads/1/3/2/8/132815123/294490.pdf
- https://cdn.shopify.com/s/files/1/0431/5847/0816/files/17412489669.pdf
- https://cdn.shopify.com/s/files/1/0438/5131/7408/files/dujag.pdf
- https://cdn.shopify.com/s/files/1/0435/6512/1699/files/7._3_idi_specs.pdf
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/75999563082.pdf
- https://cdn.shopify.com/s/files/1/0428/5435/1015/files/79458017901.pdf
- https://cdn.shopify.com/s/files/1/0431/4995/1125/files/pushing_code_to_github.pdf
- https://cdn.shopify.com/s/files/1/0429/9482/7418/files/75329685858.pdf
- https://cdn.shopify.com/s/files/1/0435/5381/6728/files/alliteration_examples.pdf
- https://cdn.shopify.com/s/files/1/0428/3976/9254/files/tears_for_fears_discography.pdf
- https://cdn.shopify.com/s/files/1/0429/0582/9532/files/39855957315.pdf
- https://cdn.shopify.com/s/files/1/0429/5986/3959/files/79132577886.pdf
- https://cdn.shopify.com/s/files/1/0430/6105/1546/files/allen_bradley_powerflex_4_manual.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_off000068ac.binca3488730f695a77f9df1919796c363086547b66489b9f6fe10ee20ebe725286 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68AC | 5228 bytes |
font_01_sfnt_off00007a67.binb0c6d6f23d737da7d38004b3521497a1702366ff1f5431d52f9531ff1b8f58ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A67 | 13604 bytes |
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