MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure at https://ttraff.cc/pify?keyword=nice+guidelines+crohn%2527+s+disease+treatment. The document body, though partially obfuscated, also contains this URL and other links to PDF files hosted on various domains, suggesting a link farm or redirection strategy. The ML classifier strongly supports the malicious nature of this PDF.
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=nice+guidelines+crohn%2527+s+disease+treatment
- http://files.achieveprovideo.com/uploads/1/3/0/8/130814754/db3eae0eaad.pdf
- http://garoduf.sizzlegrills.co.uk/uploads/1/3/0/8/130874232/tolixudawugufexu.pdf
- http://files.jashancatering.com/uploads/1/3/0/7/130776735/lepisobanijukal-sevotol-dubuxekavab-watazipemozu.pdf
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/social_studies_culture_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0433/5845/3928/files/43671268304.pdf
- https://cdn.shopify.com/s/files/1/0435/1187/3688/files/adobe_printer_free_download_full_version.pdf
- https://cdn.shopify.com/s/files/1/0447/9247/9901/files/residential_tenancy_branch_bc_condition_inspection_report.pdf
- https://cdn.shopify.com/s/files/1/0434/8215/3112/files/41402358422.pdf
- https://cdn.shopify.com/s/files/1/0436/1748/4957/files/bionic_arm_template.pdf
- https://cdn.shopify.com/s/files/1/0437/5507/7781/files/integer_to_string.pdf
- https://cdn.shopify.com/s/files/1/0432/6152/6166/files/pixuworuma.pdf
- https://cdn.shopify.com/s/files/1/0431/1616/7328/files/turovuzogiripedovibutowa.pdf
- https://cdn.shopify.com/s/files/1/0446/7671/0563/files/huttodyake_sayodyake_full_song.pdf
- https://cdn.shopify.com/s/files/1/0464/7256/0790/files/free_blackjack_games_for_fun_no.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_off00005fe4.bin1bc7ccad77b604f98fad82c84bc420f7ff8606cd0f9588bda27c61f4eec5b8c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FE4 | 5356 bytes |
font_01_sfnt_off000071ec.bina4150a144dba0ebdf1b9d7c4ebb3b8a4840eaa9ac16d5c09b3f8bdc28b7a321f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71EC | 10048 bytes |
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