MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to harmful content. The document body, though heavily obfuscated, contains the same malicious URL and references to other PDFs, suggesting a link farm or redirection scheme. The ML classifier also strongly indicated maliciousness.
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.club/pify?keyword=recognising+tenths+and+hundredths+worksheets
- http://fugoj.reading-is-lit.com/uploads/1/3/1/4/131452954/fuzawirebuj-xuvuti-mosomemeneliv.pdf
- http://files.chrysalisearthfarm.org/uploads/1/3/2/6/132681660/vutofela.pdf
- http://files.my-elliott.com/uploads/1/3/1/3/131380511/turivuxumumu-rubekasez.pdf
- http://watug.leilanisalon.com/uploads/1/3/0/7/130738801/7317663.pdf
- http://files.theredladybugdesign.com/uploads/1/3/0/7/130740249/1108477.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/1351/2100/files/toyota_auris_2020_brochure.pdf
- https://cdn.shopify.com/s/files/1/0429/4272/6310/files/tft_item_builds_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/8135/1839/files/28556687231.pdf
- https://cdn.shopify.com/s/files/1/0430/8929/7568/files/nalul.pdf
- https://cdn.shopify.com/s/files/1/0431/8344/0030/files/arpegios_para_guitarra_clasica.pdf
- https://cdn.shopify.com/s/files/1/0438/2579/1133/files/central_pneumatic_3_gallon_air_compressor_manual.pdf
- https://static.usrfiles.com/ugd/e1a791_f7df3d9619274e0d957310cf61b727f6.pdf
- https://static.usrfiles.com/ugd/4ae4db_be326516a19b4fcfa39c0756d8f5847c.pdf
- https://static.usrfiles.com/ugd/3eb4bd_e2c5d1de5f0446f988f4ecda36ac7599.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004c7b.bin660ce1e2be43313ef76472a9fbe063b0d2345e3082e85e7c1bb00caad1658609 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C7B | 5332 bytes |
font_01_sfnt_off00005eae.bin048ca025d23ef0967d00e1db3556d466730339d46f9be66855b172ddfd365523 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EAE | 9960 bytes |
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