MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=xerox+phaser+6510+user+guide', which is flagged as a malicious redirector. This suggests the PDF is designed to lure users to malicious sites, likely for phishing or to download further malware.
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=xerox+phaser+6510+user+guide
- http://files.richlydwelling.com/uploads/1/3/2/7/132740274/1951073.pdf
- https://cdn.shopify.com/s/files/1/0430/8123/6634/files/formulas_and_functions_in_excel_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/8993/6025/files/puisi_adalah.pdf
- https://cdn.shopify.com/s/files/1/0435/3441/8075/files/javafx_8_css_reference_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/2648/0295/files/vixenewutagu.pdf
- https://cdn.shopify.com/s/files/1/0427/8734/0454/files/carson_dellosa_math_answers_grade_5.pdf
- https://cdn.shopify.com/s/files/1/0429/9590/8761/files/diselexabuke.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/golalebilafofuzugetuvi.pdf
- https://cdn.shopify.com/s/files/1/0431/5833/9735/files/free_software_abbyy_transformer.pdf
- https://cdn.shopify.com/s/files/1/0433/6710/4664/files/funny_african_proverbs.pdf
- https://cdn.shopify.com/s/files/1/0431/5319/5157/files/2013_range_rover_evoque_owners_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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b27.bin22563b215f7e7bd302bbbc86fce36090979bf175ec7921f4dba01ec820f154b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B27 | 5400 bytes |
font_01_sfnt_off00007d94.bin3e135db8a45b9c7e058709837628bdc9d170db042e9465ad58a33ab564d66a7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D94 | 10428 bytes |
font_02_sfnt_off0000a116.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA116 | 4324 bytes |
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