MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a link to a known malicious redirector. It also exhibits characteristics of a PDF link farm, with numerous embedded links to other PDFs, many hosted on Shopify. The document body contains garbled text and a URL that appears to be the same as the malicious redirector.
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/wb?keyword=small%20signal%20equivalent%20circuits%20of%20mosfet%20pdf
- http://files.alldonemarketing.com/uploads/1/3/1/3/131381640/0accf9d.pdf
- https://cdn.shopify.com/s/files/1/0434/1163/6381/files/500_greatest_albums_of_all_time.pdf
- https://cdn.shopify.com/s/files/1/0435/2521/0263/files/demande_attestation_de_travail.pdf
- https://cdn.shopify.com/s/files/1/0437/7310/0184/files/98976350462.pdf
- https://cdn.shopify.com/s/files/1/0430/5901/9927/files/35675098140.pdf
- https://cdn.shopify.com/s/files/1/0430/3690/1527/files/kofofarakotabofezekopulad.pdf
- https://cdn.shopify.com/s/files/1/0440/7430/3640/files/79483644779.pdf
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/31171561540.pdf
- https://cdn.shopify.com/s/files/1/0433/7460/8545/files/tink_theres_somebody_else_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dewubi.pdf
- https://cdn.shopify.com/s/files/1/0430/8844/5604/files/very_hungry_caterpillar_printable_coloring_sheets.pdf
- https://cdn.shopify.com/s/files/1/0444/0568/6438/files/aims_and_objectives_of_peace_education.pdf
- https://cdn.shopify.com/s/files/1/0433/5176/9247/files/12671699397.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006207.bin7cd08048ad9a4ba575647a6b7b812388f08a8cee74f850fa88ff89b8ae93c1ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6207 | 5764 bytes |
font_01_sfnt_off00007584.binf1be3c8227be6a5891d7247c9a845839848ba212674c84ca20d3450543827621 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7584 | 12840 bytes |
font_02_sfnt_off00009ea6.bina7fd1637f88583be41db22b6c1c7d99d29655ed450f70959f8206d6f961c8101 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EA6 | 16036 bytes |
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