MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or lure users to malicious sites.
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.com/wb?keyword=chemistry%20nomenclature%20practice%20worksheet
- http://files.innovatingforeducation.com/uploads/1/3/1/1/131163953/lefemo-fagurexudowev-terefogerid.pdf
- http://files.schummwords.com/uploads/1/3/1/6/131637362/winuga.pdf
- http://files.darbydentalsmiles.com/uploads/1/3/0/7/130739906/e6c0ad20.pdf
- http://files.holdinghandsandhearts.com/uploads/1/3/0/7/130739457/1545336.pdf
- http://files.vfwpost5228.com/uploads/1/3/0/7/130738917/gezorobivuvof_kujalukiwowuged_kujubejipuj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/9085/3540/files/gaveridunoxaxosa.pdf
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/87456306150.pdf
- https://cdn.shopify.com/s/files/1/0432/4311/0564/files/us_air_force_airman_battle_uniform.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.pdf
- https://cdn.shopify.com/s/files/1/0437/0835/0615/files/wezikemurusapegaz.pdf
- https://cdn.shopify.com/s/files/1/0437/9371/1265/files/49455530197.pdf
- https://cdn.shopify.com/s/files/1/0436/0703/1966/files/55615290768.pdf
- https://cdn.shopify.com/s/files/1/0437/8977/9106/files/budidaya_bayam_hijau.pdf
- https://cdn.shopify.com/s/files/1/0430/7743/5556/files/zenoraletimezalasobibaf.pdf
- https://cdn.shopify.com/s/files/1/0430/0419/9075/files/wuserod.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_off00004ec6.bincea8b8ce063b83019d92c8d1bee813995e5ebf94ddd5a19a7dd0bc66f21f23a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EC6 | 5336 bytes |
font_01_sfnt_off000060d7.binaa2f0afe70fc25b43ad3320ab483ead4a8f41e3f761f70e6b6d7238fe9913fa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60D7 | 10356 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.