MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://ttraff.ru/pify?keyword=setting+out+circular+curve+report, which is likely used to redirect users to further malicious content. The document body, though heavily obfuscated, contains this URL and numerous other links hosted on Shopify, suggesting a broad distribution attempt.
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=setting+out+circular+curve+report In PDF document text
- http://files.texbard.com/uploads/1/3/2/6/132695472/xibevof-zoguvogotoluba.pdfIn PDF document text
- http://files.harrietslaughter.net/uploads/1/3/0/7/130776111/veritebu_pewifakogaz_puvumifovajem_lisefimerub.pdfIn PDF document text
- http://wunid.teachsciencealabama.com/uploads/1/3/0/9/130969060/3220930.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/1/0434/5780/6486/files/48152052392.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3967/8886/files/46330133135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2741/4696/files/discuss_the_characteristics_of_culture.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3493/5447/files/95255078361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0046/1474/files/damononitagategatix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5452/1758/files/92015324208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6778/2821/files/nutricion_parenteral_pediatria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/landscape_photography_magazine_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3518/1724/files/31858054820.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/15681600719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7019/2805/files/tamanojonezininegako.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000509b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x509B | 5084 bytes |
SHA-256: 9597e2b179d04a4f87b751d0aa43d3227c020bae70e1ae1d849cfe9e4f8ef520 |
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font_01_sfnt_off00006200.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6200 | 9856 bytes |
SHA-256: 598fc67eefdbc51124353886670c4774541aabe88d5df04b4984c473a3091a4c |
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font_02_sfnt_off000083e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83E4 | 16072 bytes |
SHA-256: 4ce97752c8d1ed0b0302a1507788019c6b738cc3ee96ca273f61f92c287db7cd |
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