MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with a critical heuristic firing for a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Avengers Endgame' and the malicious URL, suggesting a lure for users seeking the movie. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be directing users to the malicious URL for further compromise.
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.club/wix?keyword=avengers+endgame+full+movie+online+reddit
- http://kalijewib.emmanuelcrespoartworks.com/uploads/1/3/2/6/132683334/8767597.pdf
- http://files.mazarchery.com/uploads/1/3/2/8/132815872/46b0c6.pdf
- http://dedesavi.thecleverquill.ca/uploads/1/3/0/7/130776228/0e6723e719aa.pdf
- http://files.csd4tech.com/uploads/1/3/1/4/131438557/8568111.pdf
- https://7ecef1d8-b3c2-42cf-8008-98a66ac2c56a.filesusr.com/ugd/e2a635_d4d1bb1a429e45ca92e34ae08a0cc24b.pdf?index=true
- https://ec1fb280-d572-4340-b084-e5b3a0d4289a.filesusr.com/ugd/c83fdb_f7acf657e0da480dbffb93ffc2de6057.pdf?index=true
- https://741186c2-acb8-4415-b86d-7f3f35c83dfe.filesusr.com/ugd/b1b3ad_6471db8d35e142d3a2f03983573f15fb.pdf?index=true
- https://42a515c8-d11a-490d-bc24-92c53ae5a882.filesusr.com/ugd/04c368_5a787c07bab94807a631ef7dcaf544ee.pdf?index=true
- https://fbc0a444-d5df-4746-9076-35e49b8262e3.filesusr.com/ugd/140efa_3883624cca094a4e94e3885a9a7b23f1.pdf?index=true
- https://cdn.shopify.com/s/files/1/0464/8573/3528/files/79574742262.pdf
- https://cdn.shopify.com/s/files/1/0432/6208/3232/files/adivasi_dj_mix_song.pdf
- https://cdn.shopify.com/s/files/1/0434/4469/9288/files/engineering_maths_formulas_download.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/
- https://cdn.shopify.com/s/files/1/0434/4469/9288/files/engineering_maths_formulas_
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006357.bin218a0473c4a0630d77984dc8c926d5ccb28744a82311b59fb41bfe3cd1984559 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6357 | 5276 bytes |
font_01_sfnt_off0000753f.bina13851649aa2760816ea6b31a9cb56e6ad1fa27b2d2cedca62576d79d85799e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753F | 10404 bytes |
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