MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to an SEO redirector infrastructure. The 'SE_CLICKFIX' heuristic indicates social engineering to trick users into executing commands. The primary malicious URL identified is 'https://ttraff.ru/pify?keyword=basics+of+computer+networking+in+pdf', which is also flagged as a malicious redirector.
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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=basics+of+computer+networking+in+pdf In PDF document text
- http://vutasu.asbestosmasters.com/uploads/1/3/1/4/131407705/bedozeguxopabija.pdfIn PDF document text
- http://files.sassycrav.com/uploads/1/3/2/3/132302951/nilonomasapolelumabo.pdfIn PDF document text
- http://files.bravoballoon.com/uploads/1/3/2/7/132740541/zefuvazuwikux.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/1/0440/1784/4382/files/wajun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0002/0635/files/97477725365.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7897/4616/files/fobitunimuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8471/7979/files/ramusanuzidetovumevinone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1796/8543/files/10cc_dreadlock_holiday.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8039/1585/files/54292980482.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4325/8522/files/68692906617.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8794/6133/files/kugenefasirag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0007/0307/files/bepazowal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6681/7696/files/25170298580.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5778/2690/files/js_decode_base64.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/makuboxizipirifabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7176/6681/files/24554019570.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0337/7824/files/operatoria_dental_barrancos_5ta_edicion_descargar_gratis.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
🗂 Part of campaign:
sassycrav.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D7F | 5648 bytes |
SHA-256: cda300869d908d556b7bc1f796dd4d0fb03e8893ab37cd35d20ffade91113195 |
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font_01_sfnt_off000080bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80BB | 10248 bytes |
SHA-256: ede4d8a330a1dbd2e627cbc285d9a2762cf348de335e4922b13f931b06ccd952 |
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