MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'captain america new wallpaper'. This suggests a social engineering tactic to drive users to malicious sites. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=captain+america+new+wallpaper
- http://divinofe.solomonsknotcollective.com/uploads/1/3/0/7/130738850/papejufiviruxefemu.pdf
- http://vuvavuzep.iaabo152.org/uploads/1/3/0/8/130814297/590757.pdf
- https://cdn.shopify.com/s/files/1/0434/3093/6733/files/rurofanani.pdf
- https://cdn.shopify.com/s/files/1/0432/9275/4076/files/zanagugakinaf.pdf
- https://cdn.shopify.com/s/files/1/0431/9641/6160/files/xonetunoxusidofabuxubamo.pdf
- https://cdn.shopify.com/s/files/1/0429/0697/6422/files/47311924254.pdf
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/kimagobati.pdf
- https://cdn.shopify.com/s/files/1/0433/4963/9327/files/esl_basic_grammar_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0438/1265/1170/files/28986784132.pdf
- https://cdn.shopify.com/s/files/1/0433/3066/6651/files/relaxation_breathing_exercises.pdf
- https://cdn.shopify.com/s/files/1/0428/5782/4419/files/35643450417.pdf
- https://cdn.shopify.com/s/files/1/0436/3055/9390/files/caracteristicas_gerais_das_angiospermas.pdf
- https://cdn.shopify.com/s/files/1/0431/7190/5698/files/lororu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/80278007767.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/22650439267.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_off00007bc4.bin37d2eb53ae4c84f8d95149d7a489f44e0f572a9224042e04686e084d408728cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC4 | 4900 bytes |
font_01_sfnt_off00008c5c.bindd0b46ba8f92bf57ef1943c8f3acca1e6459c8ad139a42291d2cddc4ff31fb7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C5C | 10024 bytes |
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