MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains numerous embedded links. One critical heuristic indicates the presence of a malicious redirector link pointing to 'ttraff.cc', and another identifies a large PDF link farm hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, appears to contain keywords related to coloring sheets, suggesting a lure.
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=dinosaur+coloring+sheets+for+kindergarten
- http://files.heidischweizer.net/uploads/1/3/1/3/131381679/mozitinefizel.pdf
- http://files.strawberrycookiekids.com/uploads/1/3/0/7/130775506/jirefan-jixoraw-birij-gupipexam.pdf
- http://files.thebookwormlodge.com/uploads/1/3/2/3/132302787/mogaxe-jadepegowiw-vetovirafug-megaro.pdf
- https://cdn.shopify.com/s/files/1/0434/1796/0604/files/58398595477.pdf
- https://cdn.shopify.com/s/files/1/0430/6593/3985/files/fuxijoriwon.pdf
- https://cdn.shopify.com/s/files/1/0432/9861/9557/files/tevanigumomitunopom.pdf
- https://cdn.shopify.com/s/files/1/0428/3429/6988/files/10003139382.pdf
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/37552085035.pdf
- https://cdn.shopify.com/s/files/1/0429/9853/0201/files/29183357495.pdf
- https://cdn.shopify.com/s/files/1/0437/8935/3118/files/82754256157.pdf
- https://cdn.shopify.com/s/files/1/0437/7398/4919/files/zezugufizivikitunu.pdf
- https://cdn.shopify.com/s/files/1/0432/1050/6404/files/28185860704.pdf
- https://cdn.shopify.com/s/files/1/0433/8027/7406/files/55438156943.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_off0000a597.bin850d67f23c20befb9f99ea914c5eb7c1fef083038e2e0f9a064fd9ff58535023 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA597 | 5228 bytes |
font_01_sfnt_off0000b752.bin7cfbe8e094a044a303a74df2a6b89d8f8cbb1f31b1a5d84449da2ce0d5cb3e06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB752 | 10148 bytes |
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