MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to 'https://cdn.shopify.com/s/files/1/0431/7977/0019/files/animal_crossing_gamecube_iso.pdf'. The ML classifier also strongly indicated maliciousness. The document body itself is heavily obfuscated but contains the same URLs.
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.cc/pify?keyword=complete+the+square+into+vertex+form
- http://files.nyacklibrary.org/uploads/1/3/1/0/131070688/mexefisidi.pdf
- https://cdn.shopify.com/s/files/1/0431/7977/0019/files/animal_crossing_gamecube_iso.pdf
- https://cdn.shopify.com/s/files/1/0434/7982/6582/files/71059459421.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36920421444.pdf
- https://cdn.shopify.com/s/files/1/0430/8120/3861/files/importance_of_body_language_in_presentation.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72710717911.pdf
- https://cdn.shopify.com/s/files/1/0440/3914/3574/files/rch_kawasaki_disease_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0458/6428/8409/files/sumamelumamog.pdf
- https://cdn.shopify.com/s/files/1/0434/1923/8562/files/unclaimed_property_new_jersey.pdf
- https://cdn.shopify.com/s/files/1/0433/4885/2891/files/87222297156.pdf
- https://cdn.shopify.com/s/files/1/0431/0944/9884/files/international_business_bcom_hons_book.pdf
- https://cdn.shopify.com/s/files/1/0437/4275/7029/files/42648762066.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_off00006552.binc89e9dd5fd0e99b464b4e5e6c66b135229c1e4bb25c87d6d0bcdd7cdfb43ce05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6552 | 5300 bytes |
font_01_sfnt_off0000773b.bin964ceeba9e865c1dff3107047c5a0965d340ef32111eb49cd1da2d58d15acba5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x773B | 13260 bytes |
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