MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to a 'Sky f1 calendar 2019', directing users to the malicious URL. 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.com/pify?keyword=sky+f1+calendar+2019
- http://files.blackstrait.com/uploads/1/3/1/8/131856173/zuvitikaja.pdf
- http://ziseri.howesenglish.com/uploads/1/3/1/8/131871699/kazebawukizon-zekuwo.pdf
- http://files.southchaddertonhealthcentre.co.uk/uploads/1/3/0/9/130969545/d43f4ba1bd.pdf
- http://files.witnesstalkradio.org/uploads/1/3/0/7/130738993/5a6929bd.pdf
- https://cdn.shopify.com/s/files/1/0431/2216/3866/files/mobaxipilulesifupebuva.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/95936092566.pdf
- https://cdn.shopify.com/s/files/1/0433/3325/5323/files/49284003714.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/jiluloxifivos.pdf
- https://cdn.shopify.com/s/files/1/0436/5543/0302/files/11138713518.pdf
- https://cdn.shopify.com/s/files/1/0429/7110/3395/files/states_of_matter_class_11_notes.pdf
- https://cdn.shopify.com/s/files/1/0429/0985/9999/files/65730563868.pdf
- https://cdn.shopify.com/s/files/1/0439/4074/1275/files/kiwafulasenorubem.pdf
- https://cdn.shopify.com/s/files/1/0435/2347/3568/files/sample_letter_of_reprimand_for_unprofessional_conduct.pdf
- https://cdn.shopify.com/s/files/1/0434/6642/4486/files/lung_abscess_guideline.pdf
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/dajezofobizisufilibonoje.pdf
- https://cdn.shopify.com/s/files/1/0434/5636/4711/files/pudin.pdf
- https://cdn.shopify.com/s/files/1/0428/6296/8991/files/albacea_peru.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_off00008ce4.binc9b4931e879bfc24150106032b45b5bceb2eb22cdb8a1d6bbf0542574e71a3d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CE4 | 5588 bytes |
font_01_sfnt_off0000a001.binefa731c475cbacc332add1cccc0b691cfc23574ea16d324fd434a94b421b61c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA001 | 10948 bytes |
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