MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=seven+stages+of+grief+worksheet'. Additionally, it features a PDF link farm heuristic, indicating a large number of outbound links, with the first being 'https://cdn.shopify.com/s/files/1/0434/6196/8025/files/wubobexowofitixuwoxef.pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL, suggesting a lure to a phishing or malware distribution site.
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=seven+stages+of+grief+worksheet In PDF document text
- http://nogoxipi.msqg.org/uploads/1/3/2/6/132683289/1792085.pdfIn PDF document text
- http://files.denysebridger.com/uploads/1/3/1/1/131164097/jobumaxodute-zujanu-mosupuzulazivi.pdfIn PDF document text
- http://files.danbonnell.com/uploads/1/3/0/7/130775952/7270038.pdfIn PDF document text
- http://kaligos.andrewwittkamper.com/uploads/1/3/1/8/131871825/fetitapinu_dosedu_puraru_somoponefetata.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/1/0434/6196/8025/files/wubobexowofitixuwoxef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8583/1070/files/apex_legends_ps4_pc_cross_platform.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/75887564082.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0880/2466/files/44692486693.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6754/7552/files/90446980091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7746/7288/files/kigizoluviguxonilenux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9044/4445/files/per_unit_calculation_power_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7274/1791/files/falexivopusidaxikiwuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1760/0152/files/11914059300.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4339/5483/files/rearrange_pages_offline.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5317/0339/files/marxisme_untuk_pemula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3477/9553/files/wenalewin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tufajotojitumawudawemir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5425/1670/files/assessment_tools_for_preschool.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC09 | 5316 bytes |
SHA-256: e18a867a5c943770d23956cc287edf03fb7c63aab2dcef9a40176cfb6c546708 |
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font_01_sfnt_off0000ee32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE32 | 10192 bytes |
SHA-256: 9f21ab7b719c8232245e0e63d28d63f46294531e126d2da875f29cc9e4f1e6d3 |
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