MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely the primary malicious payload delivery mechanism. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=multiplication+and+division+printable+worksheets+grade+3', indicating a lure related to educational worksheets. The ML classifier strongly supports the malicious nature of this PDF.
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/pify?keyword=multiplication+and+division+printable+worksheets+grade+3
- http://files.sabahalmukhtar.com/uploads/1/3/2/7/132740414/xajalemunom_tozanugezu_pebidufekenuzof.pdf
- http://files.modestousbc.org/uploads/1/3/1/4/131452741/tekisaxexoxuzafez.pdf
- http://regis.seeinggodinlittlemogadishu.com/uploads/1/3/0/8/130814995/3ac424d089f2.pdf
- http://files.musicaturing.com/uploads/1/3/0/7/130776754/778d3.pdf
- http://gusimoriw.midwesthomebuilding.com/uploads/1/3/1/3/131381497/nizifawo.pdf
- https://cdn.shopify.com/s/files/1/0432/1280/0159/files/arithmetic_series_word_problems_worksheet_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28391359898.pdf
- https://cdn.shopify.com/s/files/1/0431/5650/4744/files/92329675099.pdf
- https://cdn.shopify.com/s/files/1/0437/2358/7733/files/advantages_and_disadvantages_of_reading_aloud.pdf
- https://cdn.shopify.com/s/files/1/0430/4220/9945/files/unamused_emoji_text.pdf
- https://cdn.shopify.com/s/files/1/0438/2903/5158/files/53663820101.pdf
- https://cdn.shopify.com/s/files/1/0429/9587/6003/files/xebidasipikuvubekisubu.pdf
- https://cdn.shopify.com/s/files/1/0427/4618/3847/files/abbyy_transformer_3._0_full_trke.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000069ef.bin037c41b522a8772bc7c72c4724f97d4c7d70e6bc6b8210dbfccb45c6c4a97b7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69EF | 5860 bytes |
font_01_sfnt_off00007dee.bin5ebfeb324d7639f5c8cfc13e813031298145e8f4da92cd0a14a8529dfca04da6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DEE | 12096 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.