MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious due to a critical heuristic identifying it as a redirector link to known malicious infrastructure. It also contains a link farm with numerous external PDF links, many hosted on Shopify. The primary malicious URL identified is https://ttraff.ru/pify?keyword=aplikasi+belajar+bahasa+arab+gratis. The document body contains obfuscated text and metadata related to PDF creation, but no direct scripting or executable content was found within the provided evidence.
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.ru/pify?keyword=aplikasi+belajar+bahasa+arab+gratis
- http://xuvarox.lj-nelson.com/uploads/1/3/0/8/130814238/65631570edb6e21.pdf
- https://cdn.shopify.com/s/files/1/0432/2564/5211/files/28965159546.pdf
- https://cdn.shopify.com/s/files/1/0433/6756/3418/files/direct_method_and_grammar_translation_method.pdf
- https://cdn.shopify.com/s/files/1/0433/4986/8712/files/vmware_vcenter_converter_standalone_5._1_free.pdf
- https://cdn.shopify.com/s/files/1/0435/5316/1367/files/pandora_hearts_caucus_race.pdf
- https://cdn.shopify.com/s/files/1/0437/2040/9256/files/82528935664.pdf
- https://cdn.shopify.com/s/files/1/0431/2793/1029/files/lovudaxoxosamaz.pdf
- https://cdn.shopify.com/s/files/1/0438/1245/4560/files/51082706439.pdf
- https://cdn.shopify.com/s/files/1/0432/3151/0690/files/seredepuz.pdf
- https://cdn.shopify.com/s/files/1/0438/9113/0536/files/preeclampsia_management_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/woziki.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_off00006766.bin0b34d024e7b3bbf74ff268b218cd1b301f42cbe890ef88567adc68fb621f3201 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6766 | 5352 bytes |
font_01_sfnt_off00007982.bin51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7982 | 1800 bytes |
font_02_sfnt_off00008210.binbdb37f0b20386dc87886e469ce06add12656ebb3a81d25cfe5c9b18b11bbff9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8210 | 10096 bytes |
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