MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, disguised as a worksheet title. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the target URL and other URLs hosted on Shopify, likely part of a link farm to obscure the malicious redirector. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.link/wix?keyword=possessive+apostrophe+worksheet+year+4
- https://cdn.shopify.com/s/files/1/0431/8180/1629/files/44855298062.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/datufezon.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2667/files/31173853844.pdf
- https://cdn.shopify.com/s/files/1/0436/4029/1486/files/mumerujozusekojafak.pdf
- https://cdn.shopify.com/s/files/1/0437/3816/9498/files/bandura_et_al.pdf
- https://cdn.shopify.com/s/files/1/0433/6379/5096/files/bastille_pompeii_song.pdf
- https://cdn.shopify.com/s/files/1/0439/2691/3179/files/48996164321.pdf
- https://cdn.shopify.com/s/files/1/0431/7220/0608/files/torewujoruzowedenox.pdf
- https://cdn.shopify.com/s/files/1/0457/5635/0628/files/mercury_80_hp_outboard_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0448/7803/7159/files/ssc_stenographer_online_form_fill_2018.pdf
- https://cdn.shopify.com/s/files/1/0433/8499/5991/files/jocelyn_flores_easy_piano_sheet_music.pdf
- https://static.usrfiles.com/ugd/f55bec_76478256fab5484f841a99f6e0dbc72f.pdf
- https://static.usrfiles.com/ugd/9904c2_d883fec5a3ad4e71bc5ddb831eb95793.pdf
- https://static.usrfiles.com/ugd/963627_be60bb6351c04dd890b3ce97e02796b3.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/
- https://static.usrfiles.com/ugd/f55bec_76478256fab54
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004c3b.bin242e764735a9889a975fc54dd613663d42dacdf585ffc244fb1d3d815e3660d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C3B | 5284 bytes |
font_01_sfnt_off00005e51.bin83eb8944efd6c997d049823683af5219d0d6990f7afa120b35d74370bb40f9d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E51 | 9748 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.