MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of external links, many pointing to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.cc. The document body, though partially garbled, contains text suggesting it is a 'metric conversions worksheet 2 answer key', which is likely a lure to encourage users to click the malicious link. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=metric+conversions+worksheet+2+answer+key
- http://files.votejeffreycoakley.com/uploads/1/3/2/7/132740778/bilelafis-bibukuxo.pdf
- http://dowib.theelectricgateco.co.uk/uploads/1/3/1/3/131379213/4171463.pdf
- http://files.dbmotorparts.com/uploads/1/3/1/3/131381799/sesejifuve.pdf
- http://files.votejeffreycoakley.com/uploads/1/3/2/7/132740778/
- https://cdn.shopify.com/s/files/1/0437/0972/6888/files/81656570318.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98629167596.pdf
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/43765322237.pdf
- https://cdn.shopify.com/s/files/1/0447/0718/4793/files/bourdon_tube_gauge.pdf
- https://cdn.shopify.com/s/files/1/0437/1703/4134/files/18667578662.pdf
- https://cdn.shopify.com/s/files/1/0430/4925/5066/files/8th_grade_common_core_math_standards.pdf
- https://cdn.shopify.com/s/files/1/0430/9408/1687/files/meridian_555_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/7738/5892/files/19754181757.pdf
- https://cdn.shopify.com/s/files/1/0432/5621/7750/files/benixetapewa.pdf
- https://cdn.shopify.com/s/files/1/0434/6285/2761/files/ninja_blender_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98774508290.pdf
- https://cdn.shopify.com/s/files/1/0440/9245/7112/files/apple_s_mission_statement.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_off00007093.bin1c1a155c7144f7b42ff61071abb872255919b2a43257235040c6d3344782f420 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7093 | 5312 bytes |
font_01_sfnt_off000082c4.bin66ad654e48f0ca6a6e1a3bfce773101b6603242823da476befc7e6fb96a2fc24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82C4 | 13016 bytes |
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