MALICIOUS
152
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.com/pify?keyword=bubble+sheet+pdf+sat'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to 'https://cdn.shopify.com/s/files/1/0431/5391/6053/files/runigaresuteludaw.pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains references to the malicious URL and other Shopify links, suggesting a lure to external content.
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.com/pify?keyword=bubble+sheet+pdf+sat
- http://files.lilibit.com/uploads/1/3/2/6/132695418/8250372.pdf
- http://files.concurrencedesigns.com/uploads/1/3/1/8/131856353/9354118.pdf
- http://files.joyful-spirit-church.org/uploads/1/3/2/8/132814680/1585556.pdf
- https://cdn.shopify.com/s/files/1/0431/5391/6053/files/runigaresuteludaw.pdf
- https://cdn.shopify.com/s/files/1/0428/4288/2215/files/koxuvajave.pdf
- https://cdn.shopify.com/s/files/1/0432/0509/9675/files/26845415753.pdf
- https://cdn.shopify.com/s/files/1/0436/8983/6697/files/recent_bookmarks_register_log_in_recent_tags.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0487/files/56080760778.pdf
- https://cdn.shopify.com/s/files/1/0433/3705/6414/files/lalux.pdf
- https://cdn.shopify.com/s/files/1/0433/1533/1227/files/biopsychology_pinel_10th_edition_free.pdf
- https://cdn.shopify.com/s/files/1/0453/3986/9339/files/nepatevagab.pdf
- https://cdn.shopify.com/s/files/1/0432/5824/9380/files/98240863361.pdf
- https://cdn.shopify.com/s/files/1/0429/2925/8649/files/tunuwakemubizonepakugako.pdf
- https://cdn.shopify.com/s/files/1/0431/0433/8074/files/ncert_science_class_8.pdf
- https://cdn.shopify.com/s/files/1/0432/8692/1382/files/da_form_2765_1.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005de7.bine40a053c3e9c9763bba9a8ac282212b4d630c33ee555f345d558cc4b64560320 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE7 | 5224 bytes |
font_01_sfnt_off00006f9f.bin3a9955596205b778d7e7de23b2d07c1dbb706d1eb1a09df41256baddc3c32a09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F9F | 10600 bytes |
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