MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains a URL that mirrors the malicious redirector's target. The presence of a large number of external PDF links, many pointing to Shopify, suggests a link farm designed to obscure the true malicious destination.
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=simple+past+negative+form+pdf
- http://files.karereviews.net/uploads/1/3/1/8/131856333/c800b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/s_chand_books_for_class_10_physics_free_download.pdf
- https://cdn.shopify.com/s/files/1/0447/8536/9239/files/darofejubugunezuj.pdf
- https://cdn.shopify.com/s/files/1/0435/0076/5336/files/suwelug.pdf
- https://cdn.shopify.com/s/files/1/0428/0477/3031/files/konurixu.pdf
- https://cdn.shopify.com/s/files/1/0429/6392/7206/files/greenwaste_santa_cruz.pdf
- https://cdn.shopify.com/s/files/1/0437/9554/6273/files/bazizetisonunobodanose.pdf
- https://cdn.shopify.com/s/files/1/0428/2764/5095/files/gukoninu.pdf
- https://cdn.shopify.com/s/files/1/0432/9914/3838/files/fejemovonidonowuxaxup.pdf
- https://cdn.shopify.com/s/files/1/0434/5780/6486/files/sudiwetolebixik.pdf
- https://cdn.shopify.com/s/files/1/0431/6823/5682/files/31614877424.pdf
- https://cdn.shopify.com/s/files/1/0434/0586/9213/files/zerixikegifoz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29331550606.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_off00006575.bin21c4cd4efabeac94468f5e1a21b583a3001f166f986c205833b982a637d34d49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6575 | 5524 bytes |
font_01_sfnt_off00007826.bina85186eab28ba889dc92683072cc7922672390b53f77923c7dff63715feea4cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7826 | 10060 bytes |
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