MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm and a redirector to malicious infrastructure, disguised as a guide. The ML classifier strongly indicated maliciousness. The document body contains embedded URLs, including a suspicious one pointing to `ttraff.ru`, which is flagged as a malicious redirector. The presence of numerous links to Shopify-hosted PDFs suggests an attempt at SEO manipulation or a large-scale phishing campaign.
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=world+of+warships+destroyer+guide+2019
- http://files.hoodstax.com/uploads/1/3/0/7/130775413/2816b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/7372/4825/files/88616697859.pdf
- https://cdn.shopify.com/s/files/1/0435/8792/8223/files/bella_y_la_bestia_cuento.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/11177656797.pdf
- https://cdn.shopify.com/s/files/1/0430/0380/5847/files/je_me_dbrouille_en_anglais_livre_gratuit.pdf
- https://cdn.shopify.com/s/files/1/0436/0493/4818/files/zoxexu.pdf
- https://cdn.shopify.com/s/files/1/0428/4016/2467/files/fodate.pdf
- https://cdn.shopify.com/s/files/1/0432/6942/3257/files/apache_cassandra_upgrade_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/69374153308.pdf
- https://cdn.shopify.com/s/files/1/0435/1282/3967/files/fomabovuvimupatamasol.pdf
- https://cdn.shopify.com/s/files/1/0437/9095/8749/files/nilumagipuk.pdf
- https://cdn.shopify.com/s/files/1/0434/6842/3334/files/back_to_school_activities_for_high_school_students.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004931.bin58a8f7d846877c097eefa10a9f08c96c04dbd247893c0da27872cae3e88cd346 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4931 | 5992 bytes |
font_01_sfnt_off00005dbb.bin4004f49a38489131dda9c21bfc1872baa1931981df508d269e68a97d6f38c2f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DBB | 10204 bytes |
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