MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially obfuscated, includes text suggesting an invitation letter, which is likely a lure. The presence of a link farm and a critical heuristic firing for malicious redirector links strongly indicates an attempt to direct users to harmful sites, potentially for phishing or malware delivery.
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.cc/wb?keyword=sample%20invitation%20letter%20for%20guest%20lecture%20in%20college%20pdf
- http://roliped.sexoffendercontainment.com/uploads/1/3/2/7/132712593/1895854.pdf
- http://files.aksushiya.com/uploads/1/3/0/7/130776673/gevomalujema_pojolutexu_nofarenawe_mutoze.pdf
- http://files.phantomfilmschool.com/uploads/1/3/0/9/130970003/daguxi_duviz_tivigaz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/9503/7854/files/vemosudibakijowajijage.pdf
- https://cdn.shopify.com/s/files/1/0438/2228/4960/files/spectrum_tv_guide_myrtle_beach.pdf
- https://cdn.shopify.com/s/files/1/0433/9243/4326/files/novez.pdf
- https://cdn.shopify.com/s/files/1/0428/1883/0492/files/1569184464.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/37821642767.pdf
- https://cdn.shopify.com/s/files/1/0437/8260/2913/files/flight_of_the_bumblebee_sheet_music_violin.pdf
- https://cdn.shopify.com/s/files/1/0430/9755/5108/files/kalirutufamisavanival.pdf
- https://cdn.shopify.com/s/files/1/0436/3704/7449/files/37282402656.pdf
- https://cdn.shopify.com/s/files/1/0433/0523/8692/files/75714160295.pdf
- https://cdn.shopify.com/s/files/1/0433/7015/2088/files/86967698862.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_off00005c6e.bin54ec1fb17a895962887e028e72b0f21163b144853964b94599bdecae4ce45d21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C6E | 5636 bytes |
font_01_sfnt_off00006f86.binee859e4eae189ee23e8e098eb72532cb20906670e8124ea32012832b3a175570 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F86 | 13548 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.