MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, with one specifically pointing to a known malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, and the ML classifier strongly indicates maliciousness. The document body, though partially corrupted, contains text suggesting a lure related to 'archive email outlook 2020 pdf', which aligns with the malicious redirector's keyword. The presence of numerous external PDF links also suggests a link farm or SEO poisoning attempt.
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=archive+email+outlook+2020+pdf
- http://files.wbc2018.org/uploads/1/3/0/9/130969573/xazad_bulam_nadakiluzataba.pdf
- http://files.robertfreemanartist.com/uploads/1/3/0/9/130969045/8018791fe8b.pdf
- http://files.newbeginningswalworth.com/uploads/1/3/0/7/130776841/tunanazopab.pdf
- https://cdn.shopify.com/s/files/1/0428/0025/1036/files/69417573038.pdf
- https://cdn.shopify.com/s/files/1/0430/3778/6265/files/33432931556.pdf
- https://cdn.shopify.com/s/files/1/0432/4219/3058/files/blender_video_editor_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pujipipokumamidepuw.pdf
- https://cdn.shopify.com/s/files/1/0428/0093/9164/files/84177185331.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/28006079268.pdf
- https://cdn.shopify.com/s/files/1/0430/5901/9927/files/black_history_bulletin_board.pdf
- https://cdn.shopify.com/s/files/1/0437/2555/3815/files/dulikulewes.pdf
- https://cdn.shopify.com/s/files/1/0433/1791/9909/files/2015_honda_rebel.pdf
- https://cdn.shopify.com/s/files/1/0433/5796/2405/files/59549424970.pdf
- https://cdn.shopify.com/s/files/1/0432/3010/1668/files/3293324563.pdf
- https://cdn.shopify.com/s/files/1/0431/7901/6360/files/observable_vs_promise.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_off00008e51.bincc3a67c08357559ea431d6f60f1c87df3fa20db66ff6d1d9e62ae4915699e875 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E51 | 5604 bytes |
font_01_sfnt_off0000a13c.binc04ee049752a5050a762fbac963f22b1354ddc1493c623cc1828b0d096b043d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA13C | 10448 bytes |
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