MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains, suggesting an attempt at SEO poisoning to drive traffic to malicious sites. The primary malicious URL identified is a redirector, likely used to obscure the final destination. The document body, though heavily obfuscated, contains text related to a worksheet and the malicious URL, reinforcing the lure.
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/wix?keyword=proving+parallel+lines+worksheet+with+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81256704061.pdf
- https://cdn.shopify.com/s/files/1/0433/9879/1322/files/pekusivogewusutixu.pdf
- https://cdn.shopify.com/s/files/1/0460/1561/1039/files/broken_bow_fishing_guide_service.pdf
- https://cdn.shopify.com/s/files/1/0435/1731/3178/files/nanerepesusexaxo.pdf
- https://cdn.shopify.com/s/files/1/0431/5771/7152/files/answer_after_thank_you.pdf
- https://static.usrfiles.com/ugd/4f270c_2f35f639258c49bc8209545e1ca9e8e5.pdf
- https://static.usrfiles.com/ugd/d1c05f_4ec9b5b753d64d2383c6372ace10a3a1.pdf
- https://static.usrfiles.com/ugd/d43733_22852378f1b6460fb9f66692d35cd366.pdf
- https://static.usrfiles.com/ugd/628a76_d509a1e6c33745d0b7e90702e8a69115.pdf
- https://static.usrfiles.com/ugd/b88e3d_1d0d9f1226df43cf93f8531bbb984334.pdf
- https://cdn.shopify.com/s/files/1/0461/9065/7687/files/game_adventure_android_offline_seru.pdf
- https://cdn.shopify.com/s/files/1/0428/2816/9382/files/87539711436.pdf
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/dimemurifirigoliwam.pdf
- https://cdn.shopify.com/s/files/1/0431/2698/0765/files/arqueologia_do_saber.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_off0000541b.binc4dfead4a443220e03dec3fdcb20798db65db409e0dfbc2ad3391f0924352eb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x541B | 5300 bytes |
font_01_sfnt_off0000662f.binf6b8ca49004afd69d24e259064a438329598a43b122448a46ff46f5d54bcf560 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x662F | 9928 bytes |
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