MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with one heuristic specifically identifying it as a 'PDF SEO Link Farm'. The primary malicious URL, 'https://ttraff.ru/pify?keyword=jogos+para+ppsspp++pelo+mega', is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL and numerous other links pointing to Shopify and other domains, suggesting a large-scale link distribution effort. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=jogos+para+ppsspp++pelo+mega In PDF document text
- http://nedogapex.trainingmadefair.com/uploads/1/3/0/7/130775388/vipubefutum.pdfIn PDF document text
- http://lagorul.nanlifinance.org/uploads/1/3/2/3/132303382/regugegenoxomemivafo.pdfIn PDF document text
- http://pigoverob.deirdrefolley.com/uploads/1/3/1/4/131407227/e6a4eb534f302.pdfIn PDF document text
- http://files.18crossroad.net/uploads/1/3/0/7/130740316/fifidimovuxetow_nezupevotedad.pdfIn PDF document text
- http://files.paulthiemann.com/uploads/1/3/2/6/132681026/b86cb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8561/0654/files/berliner_platz_1_deutsch_im_alltag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/89597609659.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1771/4338/files/stomp_kirk_franklin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7706/6145/files/libro_cerebrito_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3033/8966/files/apollo_100_joy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8538/0246/files/usarec_form_967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1335/8247/files/notopupil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5961/8716/files/wejukuxawuvonoraxuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4675/6774/files/mitudori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2754/5757/files/lugidevuwojabalezegewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2807/0052/files/livro_analise_sintatica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7273/2836/files/donusel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7132/3808/files/zijomagabug.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA172 | 5128 bytes |
SHA-256: a624bcdf6fd51a76073aaea3bd2f69c0b2d0fef65b194fcc4ebbab70b831c3f2 |
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font_01_sfnt_off0000b2d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D0 | 13136 bytes |
SHA-256: 69128a7ec3966fe7ff89f13ca77041251021838ed7df9c14fb4e47893bbc0b6e |
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