MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text suggesting it is a 'free powerpoint template slide carnival' and includes the malicious URL. This indicates a social engineering lure designed to drive traffic to malicious infrastructure. The ML classifier strongly flagged this PDF as malicious.
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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=free+powerpoint+template+slide+carnival In PDF document text
- http://tubatekiv.dtraveladvisors.com/uploads/1/3/1/3/131379578/dofefuw.pdfIn PDF document text
- http://niwif.goshenyoutharts.com/uploads/1/3/2/7/132740961/kupejulexogi.pdfIn PDF document text
- http://mupel.mariepoza.com/uploads/1/3/0/8/130874493/688d83b9.pdfIn PDF document text
- http://files.jazzbeyondborders.com/uploads/1/3/1/4/131406861/ef2834.pdfIn PDF document text
- http://files.breastfeedinghousecalls.com/uploads/1/3/2/8/132815008/bilini-kejazekoruj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/2626/7806/files/87160579615.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8098/1403/files/edward_jenner_biography.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7275/7668/files/lidawiravakabor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5449/6935/files/jazukalolilelavabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7077/4679/files/characteristics_of_computer_generations.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1478/2104/files/35480656281.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8708/5220/files/sunglasses_text_emoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0427/8422/files/xetikusaximugojez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8839/6959/files/timozezole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8523/4338/files/21725644842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9195/1769/files/lekibolijuribikabuwubokaw.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6092 | 5116 bytes |
SHA-256: 2dbdaeb1b1f17ba8359cdb0ff34243e003060431c3801c081dd40eb740eb6b0f |
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font_01_sfnt_off000071ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71EA | 9652 bytes |
SHA-256: 6f2cc59489f816974196df266abc0e62f48bf1fe557426393c54b925d912182d |
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font_02_sfnt_off000092fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92FE | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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