MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a factoring worksheet. This redirector likely leads to further malicious content or exploits. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated, preventing a deeper analysis of its specific content beyond the 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.com/pify?keyword=factoring+trinomials+practice+worksheet+with+answers+pdf
- http://files.dtccsmc.com/uploads/1/3/0/7/130775108/812174.pdf
- http://files.raincityultimateclub.ca/uploads/1/3/1/4/131406348/liwukikotefu.pdf
- http://files.savannahsprinklerandirrigation.com/uploads/1/3/1/3/131382239/9964792.pdf
- http://files.southcreekcandleco.shop/uploads/1/3/1/8/131856232/89e35.pdf
- https://cdn.shopify.com/s/files/1/0436/8538/0246/files/mubapopetavugolelufel.pdf
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/zewakafunevebidebaxozafos.pdf
- https://cdn.shopify.com/s/files/1/0428/7099/7151/files/wivaxefubunafozi.pdf
- https://cdn.shopify.com/s/files/1/0437/8004/7010/files/2041481466.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5280/files/fubulepi.pdf
- https://cdn.shopify.com/s/files/1/0429/2050/9596/files/paturivomizusozitakak.pdf
- https://cdn.shopify.com/s/files/1/0434/5800/3096/files/vijidifitajujopinusen.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gujogu.pdf
- https://cdn.shopify.com/s/files/1/0431/5987/9841/files/zotuz.pdf
- https://cdn.shopify.com/s/files/1/0430/0334/7097/files/63294371308.pdf
- https://cdn.shopify.com/s/files/1/0430/5161/4359/files/guninotogem.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_off00005c3d.bind065e0aef0cac823729bdd0cb37bce574e14935cf2454c17e5c5f609d23a1922 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C3D | 5468 bytes |
font_01_sfnt_off00006ebb.bin915159d86076f8d581eeaa8800493a77f95807e19aa5085d43ad1e47626c8cc3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EBB | 13368 bytes |
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