MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a lure for 'sample answers to application form questions', which is likely a pretext to drive traffic to the malicious URL. The presence of a large number of external PDF links further indicates a link farm or SEO manipulation tactic.
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.ru/wix?keyword=sample+answers+to+application+form+questions
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/21a131_fc1ae95b6d3f4e9686defefd20139486.pdf
- https://static.usrfiles.com/ugd/e8506d_0d7ae4ab6be047bba10c476423493040.pdf
- https://static.usrfiles.com/ugd/63f22d_8715efb2ecba43f2bc94d2a7a13e0783.pdf
- https://static.usrfiles.com/ugd/fdd6c2_d7a4a5655479442c8965d518fcbbdf5e.pdf
- https://static.usrfiles.com/ugd/432b07_f338fc16e3fe4fc7abd085e15dae671c.pdf
- https://static.usrfiles.com/ugd/1e8759_1044ee33145e4b85a98625fb0c6d86fa.pdf
- https://static.usrfiles.com/ugd/8b2c09_b084bb0298cd451bb578c50fb1d6c479.pdf
- https://static.usrfiles.com/ugd/b8c837_fcd191c090a4461fa5a54edd0783f4d9.pdf
- https://cdn.shopify.com/s/files/1/0441/0490/8952/files/slader_vector_calculus_6th_edition.pdf
- https://cdn.shopify.com/s/files/1/0437/9105/7058/files/89746915516.pdf
- https://cdn.shopify.com/s/files/1/0432/6768/6556/files/gudipurewazitina.pdf
- https://cdn.shopify.com/s/files/1/0464/8026/1288/files/blender_walking_animation.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/tesol_quarterly_journal_articles.pdf
- https://cdn.shopify.com/s/files/1/0434/4545/2967/files/16413699419.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062e2.bin0bb3d99656e117f184f1d06faec3e7faee73bee599b1b7134213b23068508565 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62E2 | 5484 bytes |
font_01_sfnt_off00007588.bin7c7bc7744810cc838fdb1bb3a39c7958ef978b20e288c3fd4c3800b55738dd2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7588 | 9992 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.