MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains multiple external links. One critical heuristic identified a link to known malicious redirector infrastructure (ttraff.cc), while another noted a large PDF link farm. The document body, though partially corrupted, contains the URL https://ttraff.cc/pify?keyword=rounding+and+estimating+worksheets+5th+grade, suggesting a lure to educational content that redirects to malicious sites. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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.
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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.
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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.
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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=rounding+and+estimating+worksheets+5th+grade
- http://files.kcsaussies.com/uploads/1/3/1/6/131606035/4790224.pdf
- https://cdn.shopify.com/s/files/1/0431/3382/9277/files/15126888142.pdf
- https://cdn.shopify.com/s/files/1/0431/8255/5297/files/mavaxusefeb.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/fubimufifitawaso.pdf
- https://cdn.shopify.com/s/files/1/0429/6382/8895/files/datobowenubasapozanadu.pdf
- https://cdn.shopify.com/s/files/1/0438/5928/0022/files/john_mcmurry_organic_chemistry_9th_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/1103/0683/files/sigirumifodijikedogut.pdf
- https://cdn.shopify.com/s/files/1/0431/7016/8992/files/45528996117.pdf
- https://cdn.shopify.com/s/files/1/0430/1737/1797/files/tigepo.pdf
- https://cdn.shopify.com/s/files/1/0434/3631/0693/files/no_ceilings_lil_wayne.pdf
- https://cdn.shopify.com/s/files/1/0431/1190/7488/files/does_walmart_check_serial_numbers_on_returns.pdf
- https://cdn.shopify.com/s/files/1/0436/0273/9363/files/rozosukazakepa.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_off000053a7.binf96e102f308c681f05d39ecf455c7bcbc45ae5c961c69e157c834bc85c957b20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53A7 | 5496 bytes |
font_01_sfnt_off00006645.bina49413d651f3b2180a806dc8979350d1e4cd34a326d99dc87c3f05cf756923fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6645 | 9532 bytes |
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