MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The ML classifier also flagged this PDF with high confidence. The document body text and embedded links suggest a lure to download software, which redirects to a malicious URL. The presence of a large number of embedded links, many pointing to Shopify, indicates a link farm used for SEO poisoning or distributing malicious content.
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=messenger+for+desktop+2.+0.+9+free
- http://files.cribhawaii.com/uploads/1/3/0/7/130739251/1559381.pdf
- https://cdn.shopify.com/s/files/1/0434/6563/8050/files/nedukitevisezejuw.pdf
- https://cdn.shopify.com/s/files/1/0434/6678/4934/files/89355163628.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30151397197.pdf
- https://cdn.shopify.com/s/files/1/0441/1362/5240/files/xalokumotuso.pdf
- https://cdn.shopify.com/s/files/1/0431/7573/9560/files/malacetic_aural_data_sheet.pdf
- https://cdn.shopify.com/s/files/1/0437/1369/1799/files/circle_of_fifths_guitar_fretboard.pdf
- https://cdn.shopify.com/s/files/1/0433/6238/6079/files/vetiwobijizibovinisu.pdf
- https://cdn.shopify.com/s/files/1/0433/0491/1006/files/ye_baburao_ka_style_hai_video.pdf
- https://cdn.shopify.com/s/files/1/0431/2639/0946/files/talodetaxunegekefijipi.pdf
- https://cdn.shopify.com/s/files/1/0432/6014/9910/files/fubagexefofabekewe.pdf
- https://cdn.shopify.com/s/files/1/0432/2168/0283/files/pixajelaz.pdf
- https://cdn.shopify.com/s/files/1/0430/6436/1113/files/15868254037.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_off0000519d.bin9a9ce47760eba63ecb8b08e37d137608c85e82d8ca7ee5cecc5f1fa7e15d1e35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x519D | 5496 bytes |
font_01_sfnt_off00006477.bin86710de26543abea1325ff05289a28620dde0bed9398e6560fd389398ee60d12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6477 | 10120 bytes |
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