MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a mass of external links, many pointing to Shopify domains, but also includes a critical link to a known malicious redirector at 'ttraff.com'. This suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/wb?keyword=past%20tenses%20mixed%20exercises%20pdf%20with%20answers', reinforcing the malicious redirection attempt.
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/wb?keyword=past%20tenses%20mixed%20exercises%20pdf%20with%20answers
- http://files.innovationsbuildingservices.com/uploads/1/3/1/4/131438741/3ca2f8128cf.pdf
- http://files.dutchtasmanianconnection.com/uploads/1/3/1/4/131413718/4a553d.pdf
- http://files.abigaildance.com/uploads/1/3/1/8/131857562/406848ad0.pdf
- http://pidotamet.oregonmade.org/uploads/1/3/1/4/131438800/492a368.pdf
- http://taruvini.duboispsumetz.com/uploads/1/3/2/3/132303382/tipuku.pdf
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/bozafomuvefivatupovifof.pdf
- https://cdn.shopify.com/s/files/1/0431/1898/5370/files/zutavunus.pdf
- https://cdn.shopify.com/s/files/1/0435/6662/9032/files/best_free_ipad_app_for_annotation.pdf
- https://cdn.shopify.com/s/files/1/0431/4798/5053/files/queen_s_gambit_variations.pdf
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/hp_1536_dnf_drivers.pdf
- https://cdn.shopify.com/s/files/1/0428/9386/9223/files/zenojib.pdf
- https://cdn.shopify.com/s/files/1/0435/9861/0589/files/mabisamerorezodesotuvi.pdf
- https://cdn.shopify.com/s/files/1/0436/3347/5737/files/41505986398.pdf
- https://cdn.shopify.com/s/files/1/0436/0214/9540/files/antonyms_worksheets_grade_4.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8914/files/manuale_domotica_bticino.pdf
- https://cdn.shopify.com/s/files/1/0432/0002/0635/files/dipebelarawowufuwew.pdf
- https://cdn.shopify.com/s/files/1/0430/6924/3549/files/bertrand_meyer.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_off000051a8.binc36ea8077034e7e0d4754601240470c5efc74b0cbcb47e33fe8f2c71684172bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51A8 | 5524 bytes |
font_01_sfnt_off0000644e.bin094ce847b20a5095ab18b86f2406ada9685b55451b0be9df46f83c36c9c21a4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x644E | 10052 bytes |
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