MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One such link, 'https://ttraff.ru/wb?keyword=learning%20licence%20test%20questions%20pdf%20in%20punjabi', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to the malicious URL and other benign-looking URLs hosted on Shopify, likely to lend legitimacy.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.ru/wb?keyword=learning%20licence%20test%20questions%20pdf%20in%20punjabi
- http://ripapegaf.northerncherokeenation.com/uploads/1/3/2/7/132740353/zalotejoxe.pdf
- http://zukiwo.9applesgame.com/uploads/1/3/1/4/131482995/sijotupikitubu-vumelu-zuniwosa.pdf
- http://jiwolizi.venturelibre.com/uploads/1/3/2/8/132815961/7553095.pdf
- http://zeboriv.carolsullivanperkins.com/uploads/1/3/2/8/132814718/novinumo.pdf
- https://cdn.shopify.com/s/files/1/0437/3318/8759/files/farmacos_antagonistas_de_calcio.pdf
- https://cdn.shopify.com/s/files/1/0437/5497/9477/files/bel_ami_maupassant_italiano.pdf
- https://cdn.shopify.com/s/files/1/0433/4498/6280/files/72170736178.pdf
- https://cdn.shopify.com/s/files/1/0447/9824/7078/files/xuvuvasanorumasowixe.pdf
- https://cdn.shopify.com/s/files/1/0430/5590/6970/files/burafavibubizipesobopa.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1587610690.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/aliphatic_and_aromatic_hydrocarbons_ncert.pdf
- https://cdn.shopify.com/s/files/1/0432/5395/6766/files/fundamental_astronomy_free.pdf
- https://cdn.shopify.com/s/files/1/0432/7935/1968/files/articulos_de_placa_dentobacteriana.pdf
- https://cdn.shopify.com/s/files/1/0435/4598/5192/files/download_come_get_her.pdf
- https://cdn.shopify.com/s/files/1/0433/8122/7672/files/vemelawipedisoxiwote.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_off0000721f.bin5f5e516d1108cb51d45487911657f150e9916ecba4813f8534c9dfa567c43028 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x721F | 5608 bytes |
font_01_sfnt_off00008530.bin760cf9963711b44285b7bbe8ab3977231cf1c80177b854a9239056525942810b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8530 | 10736 bytes |
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