MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains embedded URLs that point to a redirector service and numerous other PDFs hosted on Shopify, suggesting a link farm designed to distribute malicious content or phish users.
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.com/pify?keyword=system+out+println
- http://files.ccpspasadena.org/uploads/1/3/0/9/130969600/vavuwuzitakas_pizaxas_xiletikeruruti.pdf
- http://files.minimalistboutiqueskincare.com/uploads/1/3/2/6/132682819/2435985.pdf
- http://files.sweetearthjewelry.com/uploads/1/3/1/4/131483097/7644913.pdf
- http://files.blackburnlegal.com/uploads/1/3/1/4/131437885/judipo_garixobigobol_sajifex_farugabuzikoxen.pdf
- https://cdn.shopify.com/s/files/1/0429/5521/0905/files/41029917459.pdf
- https://cdn.shopify.com/s/files/1/0440/6591/5045/files/56185541587.pdf
- https://cdn.shopify.com/s/files/1/0429/2889/8211/files/cherrypickers_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdf
- https://cdn.shopify.com/s/files/1/0431/6643/3435/files/koviwubopafef.pdf
- https://cdn.shopify.com/s/files/1/0432/6657/2441/files/who_must_file_form_8862.pdf
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/divejutajos.pdf
- https://cdn.shopify.com/s/files/1/0433/1687/1336/files/20765357323.pdf
- https://cdn.shopify.com/s/files/1/0440/4684/4054/files/23577850545.pdf
- https://cdn.shopify.com/s/files/1/0428/2518/7491/files/rosadewi.pdf
- https://cdn.shopify.com/s/files/1/0433/5150/7094/files/43453999847.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_off00008442.bin27b35bafa6d6d5479d761f90e11644b609231c72729f427749eb325d267370b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8442 | 4960 bytes |
font_01_sfnt_off00009514.bin57102001ab98b394504f6f2d0a5c8621f5c6dfb487b853ccd34fcac86c5c6af3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9514 | 13120 bytes |
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