MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Limbo pc emulator for android', suggesting a lure for users seeking this software. The presence of a large number of external PDF links, many hosted on shopify.com, indicates a link farm strategy to improve search engine ranking and distribute the malicious payload.
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=limbo+pc+emulator+for+android
- http://files.mary-ellenfriedland.com/uploads/1/3/1/3/131382808/78e5e0908355be6.pdf
- http://files.drkaylee.us/uploads/1/3/2/8/132815882/03a2aa143bd.pdf
- http://files.premieractprep.com/uploads/1/3/0/7/130776368/nonunipavapaxuvigi.pdf
- http://files.covvc.org/uploads/1/3/1/6/131637148/ad30a8aa243c6a9.pdf
- https://cdn.shopify.com/s/files/1/0428/6545/9366/files/47204289595.pdf
- https://cdn.shopify.com/s/files/1/0432/4402/8068/files/71424462870.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/37629755229.pdf
- https://cdn.shopify.com/s/files/1/0432/6182/1083/files/33848988795.pdf
- https://cdn.shopify.com/s/files/1/0433/9302/4149/files/58408649126.pdf
- https://cdn.shopify.com/s/files/1/0431/6368/0929/files/povapanepizajumexu.pdf
- https://cdn.shopify.com/s/files/1/0434/8428/3033/files/67175505495.pdf
- https://cdn.shopify.com/s/files/1/0429/9672/7957/files/voderubaxuregotilazuguv.pdf
- https://cdn.shopify.com/s/files/1/0431/2442/4853/files/sezexuzexiwujafa.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/60490414318.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lufixupiz.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_off000084a4.bin3d965664e89710a898b316fb3ca6e2f3e0b72b5098f28b4c393b38c4c74ac714 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84A4 | 5088 bytes |
font_01_sfnt_off000095c6.bin6c902a54dba79bf3982d4e47fdec9f0820d8463703814feaca20f6f522dbc6c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95C6 | 10316 bytes |
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