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 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and a reference to 'jonas brothers lyrics', suggesting a lure to attract clicks. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to Shopify, likely to obscure the malicious redirector. The ML classifier strongly supports the malicious nature of this PDF.
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/wix?keyword=sos+jonas+brothers+lyrics
- https://cdn.shopify.com/s/files/1/0432/2571/0756/files/how_to_make_friends_and_influence_people.pdf
- https://cdn.shopify.com/s/files/1/0430/8113/8343/files/51195993813.pdf
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/wozotev.pdf
- https://cdn.shopify.com/s/files/1/0427/8799/5807/files/25083168791.pdf
- https://cdn.shopify.com/s/files/1/0430/9788/2773/files/kepepawad.pdf
- https://cdn.shopify.com/s/files/1/0428/3046/3135/files/programmable_metronome_app_android.pdf
- https://cdn.shopify.com/s/files/1/0432/3488/5796/files/gigozatalaxadapaba.pdf
- https://cdn.shopify.com/s/files/1/0431/5345/7320/files/37877940621.pdf
- https://cdn.shopify.com/s/files/1/0432/9439/2485/files/classical_and_neo_classical_theory.pdf
- https://static.usrfiles.com/ugd/b8c837_ee79441fcde94d45a23488ab8aedfa4d.pdf
- https://static.usrfiles.com/ugd/b8c837_c8c60a7e52924ac494b06a0c2cdab01e.pdf
- https://static.usrfiles.com/ugd/b8c837_a846efa9854d47ff9a344078faf818f2.pdf
- https://cdn.shopify.com/s/files/1/0436/3884/9696/files/jepamas.pdf
- https://cdn.shopify.com/s/files/1/0436/9596/4328/files/tutorial_kali_linux_bahasa_indonesia.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_off000061c9.bin66cd58b218762c28f98e7e9382c914981a6c058493cbc85de5090f3afd068815 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61C9 | 5308 bytes |
font_01_sfnt_off000073d0.bined11b8d84a827f860284e34813162a88bad8ec2b296fe3ae9d9e3be1bc514fc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73D0 | 10508 bytes |
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