MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to redirector infrastructure, specifically `ttraff.ru`. The document body, though heavily obfuscated, contains the same lure text and the primary malicious URL. The ML classifier strongly indicates maliciousness, and the PDF structure suggests a link farm designed for SEO manipulation to distribute malicious content.
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=friendship+status+in+english In PDF document text
- http://dawuxejop.tavisdupreez.com/uploads/1/3/1/4/131438304/migakiwutekufalawez.pdfIn PDF document text
- http://nafivul.ontoyouresale.com/uploads/1/3/2/8/132814930/gejipa.pdfIn PDF document text
- http://files.jemendozalahc.com/uploads/1/3/1/0/131071067/zinokogodetij_jumasob_dudit_poroka.pdfIn PDF document text
- http://files.csambhara.com/uploads/1/3/0/7/130775916/gepamefe.pdfIn PDF document text
- http://files.changingfutures.org.uk/uploads/1/3/1/6/131606087/mufegesitawiko-matuwomap-xivekun-vokozufeletefuz.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/1/0433/5638/9528/files/53822605911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9806/2501/files/24135073102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0158/5569/files/free_hockey_jersey_template_psd.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4499/3181/files/92715387476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1542/1600/files/27474687201.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2778/3080/files/10910458629.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6529/5526/files/arcmap_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4532/8808/files/east_coast_roadmap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3300/1126/files/gugekoguforevuxigefotifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8665/2316/files/zagemaxuvetakageruz.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000725d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725D | 5176 bytes |
SHA-256: ce9441a5622ee9f7d6dbb179470432472a70dbc2a222ffd6e97f974664e37f35 |
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font_01_sfnt_off000083e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83E6 | 1800 bytes |
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e |
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font_02_sfnt_off00008c74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C74 | 10432 bytes |
SHA-256: e1b0ac85835d0fffa43a79000e69d13839362f3dd9d5d20b5b784cf4f9fd4742 |
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font_03_sfnt_off0000af3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF3A | 16312 bytes |
SHA-256: aad9bc0f36eadc3314e08670b59090120051e308b357201f134af3d0b781b2b0 |
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