MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.ru/pify?keyword=fma+brotherhood+opening. Another critical heuristic indicates a PDF link farm, with many links pointing to Shopify-hosted PDFs, suggesting an attempt to obscure the true malicious destination. The document body contains garbled text but includes the same malicious URL and several Shopify URLs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=fma+brotherhood+opening In PDF document text
- http://files.firstchristianvinton.org/uploads/1/3/2/7/132740997/kanifapix_limolekuma_bitupupopiw_wavotoraka.pdfIn PDF document text
- http://files.graciejiujitsurocks.com/uploads/1/3/1/4/131414743/5771398.pdfIn PDF document text
- http://files.thelafs.com/uploads/1/3/1/3/131383763/neravos.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/51760096914.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/mavoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5817/5893/files/bafatumevefizevavu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0132/3421/files/putimebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8106/2813/files/31535507022.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3301/6982/files/24389367423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57896919986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8472/4889/files/lukapubitogesowem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4742/0066/files/35590546968.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51686393220.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6620/4066/files/raxuwekiz.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000077ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77AE | 8968 bytes |
SHA-256: 2f8251d0ead2e245e94f66f5a4fd5cf5179317916f3bf8c2880a16c79daeb2c1 |
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font_01_sfnt_off000095e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95E2 | 5048 bytes |
SHA-256: 29107b9e18a041294d1c61f893b6fbb39826456dac050ac7e0800f2a16c7fe51 |
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font_02_sfnt_off0000a6dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6DD | 10112 bytes |
SHA-256: 2a51dd787552c0ffa2404509c2222dfe2a1532c7aa08226750cdbe467b9af6bd |
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font_03_sfnt_off0000c96b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC96B | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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