MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, which is indicative of a link farm. One of the primary links, 'https://ttraff.ru/pify?keyword=wish+grammar+worksheet', is flagged as a malicious redirector. This suggests the document is part of a campaign to lure users to malicious infrastructure, potentially for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=wish+grammar+worksheet
- http://files.wordupinc.org/uploads/1/3/0/8/130815095/3425878.pdf
- http://files.leandremeldener.com/uploads/1/3/0/9/130969190/3481642.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0441/2129/2952/files/chrome_version_44_download.pdf
- https://cdn.shopify.com/s/files/1/0428/1755/2543/files/49096747698.pdf
- https://cdn.shopify.com/s/files/1/0428/5631/7091/files/wunebofu.pdf
- https://cdn.shopify.com/s/files/1/0434/6911/1461/files/all_of_me_lyrics_and_piano_chords.pdf
- https://cdn.shopify.com/s/files/1/0437/7827/7525/files/saxon_math_intermediate_5_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/0877/0726/files/9509647338.pdf
- https://cdn.shopify.com/s/files/1/0429/9181/2771/files/tuvafapinonitinifadirow.pdf
- https://cdn.shopify.com/s/files/1/0432/3622/9278/files/convert_to_word_big_file_online.pdf
- https://cdn.shopify.com/s/files/1/0433/9315/5237/files/99178643291.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061c6.bin7933620ebafa4f3e30c80deb331e342c32822f69fb9369110a588b2a1f50e5fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61C6 | 5236 bytes |
font_01_sfnt_off0000738c.bin9701611805a4e1ba21054cfb3a5108fcab46e331d32db45ed4ba693121f4a7fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x738C | 10176 bytes |
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