MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by a critical heuristic for containing malicious redirector links, specifically pointing to 'ttraff.ru'. Another critical heuristic identified it as a PDF link farm, with numerous external links, many hosted on Shopify. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated and unreadable, but the presence of a malicious redirector URL is the primary indicator of compromise.
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=candide+pdf+en+arabe In PDF document text
- http://files.greengateolivegrove.com/uploads/1/3/1/4/131437626/zojaneduv.pdfIn PDF document text
- http://files.mariannewardart.com/uploads/1/3/0/7/130775063/5304530.pdfIn PDF document text
- http://files.theefficienthouse.com/uploads/1/3/1/4/131406892/24d70bdfdf06.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/1/0429/9282/8579/files/90902845847.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7786/0516/files/tofije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/21530177252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1791/8870/files/sinozefikenaganapo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7578/9215/files/61597310181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0850/6531/files/37294821375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luvibuxunefipefijuli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6982/3390/files/95458083401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3136/3747/files/dagadari.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8987/7397/files/lonirizinu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9732/5732/files/85567545347.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0521/3847/files/suvupekadunujuvukibipi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3089/files/wovumok.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_007_off00009bd2.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x9BD2 | 26560 bytes |
SHA-256: 274db5a31de12458388eec1ea3514cd4bed72cfd1bece074296e798fcb78681a |
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font_00_sfnt_off000068de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68DE | 4588 bytes |
SHA-256: 7b86e792f52833a54089d0de69384d98c13830f9cd384b730ead9db18646a0d5 |
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font_01_sfnt_off00007870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7870 | 10400 bytes |
SHA-256: 7dfff22f063dddc75985592ca99adcc3f7a340f965926bc9e5293faffdd43a80 |
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