MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users into downloading further malicious content. The document body and embedded links suggest a tactic of creating a link farm to improve search engine ranking for specific keywords, likely to attract unsuspecting users. 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.com/pify?keyword=indexing+and+abstracting+pdf+download
- http://powimepo.hermanngardentours.com/uploads/1/3/0/7/130775612/vazasidanolena.pdf
- http://rewemewi.pilotsatpenn.com/uploads/1/3/2/6/132682646/rewulagilex_zasaxifevusafaf_vogofesolotuxex_dimosumozor.pdf
- http://zexolenob.ggemergencyshutters.co.uk/uploads/1/3/1/3/131379992/jibisuzutisim_vevobaz_nekerafiw_runevajovotu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/5281/6798/files/58263024867.pdf
- https://cdn.shopify.com/s/files/1/0437/0608/9640/files/mokejam.pdf
- https://cdn.shopify.com/s/files/1/0431/8016/3227/files/how_do_you_install_minecraft_forge.pdf
- https://cdn.shopify.com/s/files/1/0434/7455/0949/files/41754631569.pdf
- https://cdn.shopify.com/s/files/1/0434/1723/9704/files/prime_primer_gungeon.pdf
- https://cdn.shopify.com/s/files/1/0430/2287/6826/files/95605351697.pdf
- https://cdn.shopify.com/s/files/1/0437/0602/4101/files/bash_command_cheat_sheet.pdf
- https://cdn.shopify.com/s/files/1/0440/7099/4085/files/52511508652.pdf
- https://cdn.shopify.com/s/files/1/0433/5963/3559/files/19999272449.pdf
- https://cdn.shopify.com/s/files/1/0435/3445/0840/files/wagaya_no_oinari-_sama.pdf
- https://cdn.shopify.com/s/files/1/0430/8523/4338/files/bozaxotot.pdf
- https://cdn.shopify.com/s/files/1/0433/3014/2363/files/fejugonalok.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_off00006fda.bine52a7cdbdb3d70ec6797b691270f65b61208e4e3dfb04ab42b3824a14c40bdf1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FDA | 5560 bytes |
font_01_sfnt_off000082e4.bin0c6b7ba4901c870116752ba814279ef7c4f5fc9e6e4b398cdd86a1de581f5b84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E4 | 12324 bytes |
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