MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
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 link, https://ttraff.ru/pify?keyword=balancing+chemical+equations+worksheet+grade+10+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains keywords related to educational worksheets, 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.ru/pify?keyword=balancing+chemical+equations+worksheet+grade+10+pdf
- http://files.flamencoinsheffield.com/uploads/1/3/1/4/131438477/zazodufotugakojalilu.pdf
- http://files.egsdmusic.net/uploads/1/3/0/7/130740589/puduxedebes-jalawup.pdf
- http://files.geriatricpsychiatryresearch.org/uploads/1/3/1/4/131437246/9287714.pdf
- http://files.fulltiltk9training.org/uploads/1/3/1/3/131381539/5525651.pdf
- https://cdn.shopify.com/s/files/1/0432/7315/8806/files/qualitative_data_analysis_with_nvivo.pdf
- https://cdn.shopify.com/s/files/1/0435/5971/4971/files/94440157338.pdf
- https://cdn.shopify.com/s/files/1/0428/8767/6063/files/disikujamugakepapoz.pdf
- https://cdn.shopify.com/s/files/1/0431/4995/1125/files/17573206022.pdf
- https://cdn.shopify.com/s/files/1/0449/0860/9703/files/cable_stayed_bridges_2nd_edition.pdf
- https://cdn.shopify.com/s/files/1/0431/2619/4336/files/dubugud.pdf
- https://cdn.shopify.com/s/files/1/0437/3233/6791/files/paradise_lost_milton_italiano.pdf
- https://cdn.shopify.com/s/files/1/0432/0568/9499/files/21598444682.pdf
- https://cdn.shopify.com/s/files/1/0431/4021/9037/files/xuzexugubomemukew.pdf
- https://cdn.shopify.com/s/files/1/0429/5586/6263/files/37661097457.pdf
- https://cdn.shopify.com/s/files/1/0432/5300/6494/files/xozudotavagadetorudenibu.pdf
- https://cdn.shopify.com/s/files/1/0430/1871/5289/files/9677453668.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_off00006390.bina42c05155dc307142e8e723bf1513d7df3564ebeced6aec4095a92772bd819ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6390 | 6096 bytes |
font_01_sfnt_off00007827.bin88f0497f2aa247f500e3a0a1182bd0f5ba3a4995453453a65a0179458aecd506 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7827 | 9940 bytes |
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