MALICIOUS
152
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, but one critical link directs to a known malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to lure users to malicious infrastructure. 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.ru/pify?keyword=cellular+respiration+worksheet+pdf
- http://files.dsimpsonbooks.com/uploads/1/3/0/7/130776055/xafilizeje.pdf
- http://files.robertsfamilygenerations.com/uploads/1/3/2/8/132814030/5363710.pdf
- http://files.rachelgrubbmusic.com/uploads/1/3/2/3/132302940/5652406.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/86138761885.pdf
- https://cdn.shopify.com/s/files/1/0432/6529/4504/files/68359083349.pdf
- https://cdn.shopify.com/s/files/1/0436/3350/8512/files/fifukapabamopojunowit.pdf
- https://cdn.shopify.com/s/files/1/0430/5430/1338/files/vicks_filter_free_cool_mist_humidifier_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/6335/3244/files/rinifiza.pdf
- https://cdn.shopify.com/s/files/1/0434/5351/3893/files/adele_skyfall_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0438/3349/1606/files/xixipojaj.pdf
- https://cdn.shopify.com/s/files/1/0428/1712/6563/files/18252376821.pdf
- https://cdn.shopify.com/s/files/1/0431/3710/6087/files/convert_list_to_dictionary_python.pdf
- https://cdn.shopify.com/s/files/1/0429/8450/5498/files/custom_world_presets.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_off00005846.bine1006a74ba254611ef0d390cdd3617b1cfe662840203b5e44e1b65b035132443 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5846 | 5188 bytes |
font_01_sfnt_off000069f4.bin96e699dbb5316acf789cf7dd32f1523c48bb3a281f232d063f09905d884e5ba0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69F4 | 10452 bytes |
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