MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a lure document disguised as a 'Worksheet on conjunctions for grade 4'. It embeds multiple links, with a critical heuristic identifying a redirector link to 'ttraff.com'. This suggests the primary goal is to redirect the user to malicious infrastructure, likely to download and execute a secondary payload. 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.com/pify?keyword=worksheet+on+conjunctions+for+grade+4
- http://meromuba.katherinechwazik.com/uploads/1/3/1/0/131069934/38f37ad.pdf
- http://jinepi.ddrncboa.com/uploads/1/3/1/6/131607712/f3394fcb0c230.pdf
- http://pabomuxi.foe2051.com/uploads/1/3/0/7/130776394/keduvupuva_tavuvopaxobidev_xapesetu.pdf
- https://cdn.shopify.com/s/files/1/0437/6245/0586/files/337637116.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15906675896.pdf
- https://cdn.shopify.com/s/files/1/0433/7831/1326/files/geomorphology_book_by_savindra_singh_download.pdf
- https://cdn.shopify.com/s/files/1/0427/8163/8812/files/5183625574.pdf
- https://cdn.shopify.com/s/files/1/0440/6001/6790/files/22116529238.pdf
- https://cdn.shopify.com/s/files/1/0440/8731/2536/files/alchemy_of_money_free.pdf
- https://cdn.shopify.com/s/files/1/0432/6676/9051/files/mulomejonezivod.pdf
- https://cdn.shopify.com/s/files/1/0429/4184/1575/files/tudisukufavol.pdf
- https://cdn.shopify.com/s/files/1/0427/5837/3542/files/htx-_202_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/odisha_b._ed_question_paper_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0432/5005/7373/files/best_annotator_ipad_apple_pencil.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_off00005648.bin1e2612a6032e23e5c52ae05be45f3b98463a85711ea4c1901f5f828c886d14db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5648 | 5492 bytes |
font_01_sfnt_off0000690f.bin0c77d27cf264c1f1209402d3089e37315861743a5deb737e0bd5cb07685cd22f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x690F | 10384 bytes |
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