MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, many pointing to Shopify domains hosting seemingly benign documents, but one critical link redirects through ttraff.com, a known malicious redirector. The document body, though heavily obfuscated, contains the same URL as the malicious redirector, suggesting a lure to download or view academic content that ultimately leads to a malicious site. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=bsc+1st+year+physics+practical+experiments+pdf
- http://jelib.cityskyflooring.com/uploads/1/3/1/3/131383664/7044736.pdf
- http://vozew.aquashieldinc.com/uploads/1/3/0/9/130969521/tivijizofagadazar.pdf
- http://pubaj.reinbowridingcenter.org/uploads/1/3/1/4/131407535/203f8eccf7e8c9.pdf
- http://tinura.profile-360.com/uploads/1/3/1/6/131606227/kifik_woxiv_kufuma.pdf
- http://files.centerofhopemtp.com/uploads/1/3/2/3/132302888/8e9a03ef9fcb98.pdf
- https://cdn.shopify.com/s/files/1/0436/1325/7885/files/12080203647.pdf
- https://cdn.shopify.com/s/files/1/0431/2711/1841/files/bitwise_operators_in_python.pdf
- https://cdn.shopify.com/s/files/1/0432/7941/7504/files/osha_10_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/7049/6672/files/blank_calendar_2020_19.pdf
- https://cdn.shopify.com/s/files/1/0434/9827/4978/files/fundamentals_of_computer_networking_and_internetworking.pdf
- https://cdn.shopify.com/s/files/1/0429/0510/8636/files/weekly_lesson_plan_template.pdf
- https://cdn.shopify.com/s/files/1/0428/6640/9639/files/buvuwukuvuguguramigidi.pdf
- https://cdn.shopify.com/s/files/1/0454/4344/8990/files/belzona_1221.pdf
- https://cdn.shopify.com/s/files/1/0438/8097/2456/files/jet_boy_jet_girl.pdf
- https://cdn.shopify.com/s/files/1/0437/3577/7445/files/housing_bubble_definition.pdf
- https://cdn.shopify.com/s/files/1/0431/2567/0037/files/allstar_performance_heated_tire_groover.pdf
- https://cdn.shopify.com/s/files/1/0434/0203/5351/files/bruel_and_kjaer_vibration.pdf
- https://cdn.shopify.com/s/files/1/0431/1823/1709/files/61931288559.pdf
- https://cdn.shopify.com/s/files/1/0432/9095/1846/files/15657118470.pdf
- https://cdn.shopify.com/s/files/1/0435/4234/7927/files/cinema_media_player_classic.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_off00005a0c.bin67d9d83a41ccc3b68ffd571fc3c728f1d8b6a1802e369b3bbdfc05d759993c87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A0C | 5664 bytes |
font_01_sfnt_off00006d35.bin9bfc0a8499096e9e79c55132bcd740bd8fc0c8fdd094b25dd6071d755afb498f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D35 | 9660 bytes |
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