MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm. The ML classifier also strongly indicated maliciousness. The primary malicious IOC is the redirector URL https://ttraff.cc/pify?keyword=trapianto+cellule+staminali+emopoietiche+pdf, which likely leads to a further stage of the attack. The document body contains garbled text but includes the same redirector URL, suggesting it is the intended lure.
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=trapianto+cellule+staminali+emopoietiche+pdf
- http://files.anytimeautoparts.ca/uploads/1/3/1/8/131871518/lesujotas.pdf
- http://files.ratiocoffee.ca/uploads/1/3/2/3/132303028/3067586.pdf
- http://dubelogep.danielreist.org/uploads/1/3/1/6/131606227/6850024.pdf
- https://cdn.shopify.com/s/files/1/0431/7757/4562/files/32578640300.pdf
- https://cdn.shopify.com/s/files/1/0428/9704/7718/files/33900221575.pdf
- https://cdn.shopify.com/s/files/1/0432/0044/6626/files/how_to_add_accents_in_google_docs.pdf
- https://cdn.shopify.com/s/files/1/0430/0118/4417/files/6377192735.pdf
- https://cdn.shopify.com/s/files/1/0433/4557/6088/files/7330669159.pdf
- https://cdn.shopify.com/s/files/1/0431/1675/7153/files/fasimexopanovemox.pdf
- https://cdn.shopify.com/s/files/1/0436/8600/2843/files/lotameniziwutiremelujutuk.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/betikage.pdf
- https://cdn.shopify.com/s/files/1/0450/2369/0916/files/asia_selatan.pdf
- https://cdn.shopify.com/s/files/1/0432/4950/0328/files/kagusiganazafomez.pdf
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/31508515966.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/loxutiwijadewafulon.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_off000068cd.binc5fedd6d6b728015cc54b9f51345229b20951cc3a8b51f3a460b1a67d533dda5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68CD | 5344 bytes |
font_01_sfnt_off00007acb.bina31db6079b0ee9b62b36bb1370887e2362668970b65ebaedc5e836fad322554f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ACB | 11084 bytes |
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