MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.com'. The document body, though partially corrupted, contains text that appears to be a lure for a worksheet, and also directly embeds the malicious URL. The presence of numerous external PDF links, some benign and some unknown, suggests a link farm or a method to obscure the malicious destination.
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/pify?keyword=4-+1+congruent+figures+worksheet+answers
- http://files.ohltownumc.com/uploads/1/3/1/4/131438427/5590336.pdf
- http://files.dancewellny.com/uploads/1/3/1/4/131437775/zopubusapo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9599/0175/files/2493703944.pdf
- https://cdn.shopify.com/s/files/1/0430/5158/1597/files/14151658582.pdf
- https://cdn.shopify.com/s/files/1/0435/9946/2558/files/alternator_working_principle_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0434/7746/7288/files/french_to_english_words_list.pdf
- https://cdn.shopify.com/s/files/1/0440/0722/7542/files/baby_pictures_app.pdf
- https://cdn.shopify.com/s/files/1/0433/0936/7454/files/38599610542.pdf
- https://cdn.shopify.com/s/files/1/0433/9941/3925/files/wufesuponakuba.pdf
- https://cdn.shopify.com/s/files/1/0432/9416/3109/files/sample_scholarship_application_letter_for_masters_degree.pdf
- https://cdn.shopify.com/s/files/1/0429/4914/8828/files/bagufudag.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006649.bin77d084f575d2196501648ce2f606eaa66c04bd32cb2d6351ff0e9600769c08a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6649 | 2988 bytes |
font_01_sfnt_off000070e5.bindc0996e73fe614c49279f0921f6755697a7222f0c1ce4eb2145c7adfc5367ff5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E5 | 5344 bytes |
font_02_sfnt_off0000832e.binf1b19328723125c483eb7f1a5a4b0a375561fd9a545e39c3f451950c0e261afe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x832E | 11836 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.